Mixing Zinc Acetate And Sodium Phosphate Tribasic What happens when you mix Zinc Acetate and Sodium Phosphate Tribasic? WebZnCl 2 and excess NaOH. Learn more about Stack Overflow the company, and our products. All our four samples (curves (a) to (d); Figure 5) exhibit excellent UV absorption capacity (Figure 9) and high transparency in the visible range. 1 Answers; 17k For nanomaterials, the ratio surface/volume is large and hence it is normal to observe a high green band compared with the peak in the ultraviolet region. the metal is more reactive than hydrogen and. Webthe physical state of the substance. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. WebSince zinc ( Zn) is amphoteric, it interacts with the evolution of hydrogen gas ( H 2) to form Sodium zincate ( Na 2 ZnO 2) with Sodium hydroxide ( NaOH). Why is there a voltage on my HDMI and coaxial cables? Thermodynamic properties of substances. Please enable JavaScript in order to use this website. We expect a metal to do this from a hydroxide base if. Thermodynamic properties of substances. Write a skeleton equation for this reaction. If you add more aqueous NaOH to the solution which contains the precipitate, precipitate is dissolved and give a colourless The particle diameter was calculated using the Debye Scherer formula [7]. Legal. M. R. Vaezi and S. K. Sadrnezhaad, Nanopowder synthesis of zinc oxide via solochemical processing, Materials and Design, vol. Replace immutable groups in compounds to avoid ambiguity. WebZn+2NaOHNa 2ZnO 2+H 2 Zinc react with excess sodium hydroxide to form sodium zincate (Na 2ZnO 2) along with hydrogen gas. While stirring, 50mL of 0.3M NaOH in propanol 2 (Merk, 99% purity) was added dropwise. Is the singer Avant and R Kelly brothers? Since there are an equal number of atoms of each element on both sides, the equation is balanced. Balanced chemical equation. Zn(Oac)2 Zn(Ii)Ac2 Zinc Diacetate Zinc Di(Acetate) Zinc(Ii) Acetate Dicarbomethoxyzinc Zinc Acetate Anhydrous Acetic Acid, Zinc Salt. Samples with different Zn2+/PVP weight ratios (denoted as ) were prepared and checked with X-ray diffraction, absorbance, and photoluminescence spectroscopy. It only takes a minute to sign up. WebPredict and balance the following double-replacement reactions using symbols (g), (aq), (l), and (s) when appropriate then write a net ionic equation for the reaction. How do I align things in the following tabular environment? Balanced Equation: Net Ionic Equation: 3. Periodic table of elements. The average diameter of the smallest ZnO particles prepared with PVP is less than 10nm with narrow size distribution. C6H8O7+3NaOH=C6H4O7Na3+3H2O. Answer Question. WebZinc Acetate + Sodium Hydroxide = Ashoverite + Sodium Acetate. The increasing in the intensity of the ultraviolet compared with the visible band shows the role of PVP in passivating the trap states at the surface and reduces defects such as oxygen vacancies or Zn interstitials. It is noted that in our samples, compared with the sample prepared without surfactant, the ultraviolet peaks in the samples using PVP as the surfactant become much more evident. It is clear that the optical band gap shifted to higher energy (blue shift) with increasing PVP concentrations or decreasing the particle size. Na(C2H3O2)2. Zinc react with excess sodium hydroxide to form sodium zincate (Na2ZnO2) along with hydrogen gas. 2. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. I think the balanced equation is: 2Na3PO4 + 3Ca(NO3)2 = The balanced equation is: Zn(C2H3O2)2 + NaPO4 --> ZnPO4 + Na(C2H3O2)2. The diffraction patterns and interplane spacings can be well matched to the standard diffraction pattern of wurtzite ZnO, demonstrating the formation of wurtzite ZnO nanocrystals. Autore dell'articolo: Articolo pubblicato: 16/06/2022 Categoria dell'articolo: tippmann stormer elite mods Commenti dell'articolo: the contrast by royall tyler analysis the When aqueous sodium hydroxide is added to a solution containing lead (II) nitrate, a solid precipitate forms. CH_3COOH (aq) + NH_3 (aq) Predict the products of the acid/base reaction between aqueous solutions of acetic acid and sodium acetate. Web18-Write a balanced chemical equation based on the following 04:06. what is the balanced equation for zinc acetate and sodium hydroxide? What is the answer punchline algebra 15.1 why dose a chicken coop have only two doors? X-ray diffraction patterns of ZnO nanosamples prepared with different PVP concentrations. and The closest to real answers to why-questions you get is from computational chemistry using first-principles methods. A 2Zn+2NaOH2Na+2Zn(OH) 2 B Zn+NaOHNa+Zn(OH) 2 C Zn+2NaOH2Na+Zn(OH) 2 D None of these Medium Solution Verified by Toppr Correct option is D) None of the given option is correct. So what this is going to be is a double displacement reaction also known as a double replacement, Those two terms are interchangeable. Why do we calculate the second half of frequencies in DFT? In case of using PVP with (sample S6), we can see that these particles are well separated particles with diameter of about 10nm and length of 2040nm while nanoparticles precipitated without using surfactants have spherical shape with diameter of 2535nm. Due to small effective masses of ZnO (, , [6]), band gap enlargement gives us the expected particle size of about 9nm for nanoparticles prepared without surfactant or in the presence of PVP while in the presence of SDS, CTAB the products do not show any band gap enlargement. Acetic acid + sodium hydroxide → sodium acetate + water, 3 NH4NO3 + Na3PO4 -----------3 NaNO3 + (NH4)3PO4, 3CuSO4 + 2Na3PO4 -> Cu3(PO4)2 + 3Na2SO4. 6, Article ID 063110, 3 pages, 2006. Ca (s) + Cu (NO3)2 (aq) ==> Ca (NO3)2 (aq) + Cu (s) Two reactants are separated by a _____. 1. silver nitrate and potassium chromate. WebZn+2NaOHNa 2ZnO 2+H 2 Zinc react with excess sodium hydroxide to form sodium zincate (Na 2ZnO 2) along with hydrogen gas. PVP reveals to be the most suitable surfactant to prepare ZnO nanoparticles with small size and homogenous shape. For a metal to react with sodium hydroxide solution it's oxide must be amphoteric, not just basic. You can use parenthesis () or brackets []. Nowadays, microwave energy has become a very efficient means of heating reactions. How do I implement a good quality cricket and football turf at a low expense? Zn (OH) 2 + 2NaOH Na 2 [Zn (OH) 4] [ Check the balance ] Zinc hydroxide react with sodium hydroxide to produce tetrahydroxozincate (II) sodium. A plus sign. The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. Balance Zn(C2H3O2)2 + NaOH = Zn(OH)2 + Na(C2H3O2) by inspection or trial and error with steps. ZnC4H6O4 Molar Mass ZnC4H6O4 Oxidation Balance the equation NaOH + ZnC4H6O4 = ZnO + Changes from liquid chemicals to a solid one need this balance to the determine how many substances evaporate and what is left of it. Lye Naoh Soda Lye Caustic Soda White Caustic Sodium Zinc Acetate - ZnC 4 H 6 O 4. the metal is more reactive than hydrogen and. 1 Answers; 17k Furthermore, these particles are much more uniform in size and shape compared with the products of conventional method. One mole of aqueous Zinc Acetate [Zn (C2H3O2)2] and two moles of aqueous Sodium Hydroxide [NaOH] react to form one mole of solid Ashoverite [Zn (OH)2] and two moles of aqueous Sodium Acetate [Na (C2H3O2)] Show Structural Image. It just depends upon your textbook whether they use double displacement or double replacement. Lye Naoh Soda Lye Caustic Soda White Caustic Sodium Zinc Acetate - ZnC 4 H 6 O 4. Question 19.2 WebThis is a video of the reaction of zinc acetate and dilute sodium hydroxide for CEM131 at Jackson College Chemistry. Let's solve the question. Scroll down to see reaction info, how-to steps or balance another equation. What is the thermochemical equation for the combustion of benzene? The first step in processing these ores involves roasting the ore in air to produce the metalor metal oxide, along with nonmetal oxides that can be serious pollutants if not trapped.Suppose that you roast 1.00 kg of the mineral maucherite, Ni11As8. Mechanochemical processing, sol-gel, or hydrothermal processing methods constitute pertinent examples. This reaction is an example of an endothermic reaction. Zinc oxide, as a widely used material in optics, electronics, and medicine, requires a complete overview of different conditions for facile and easily reproducible syntheses. ZnO + 2 NaOH Na 2 ZnO 2 + H 2 O Zinc Oxide Sodium Sodium Zincate Water ( White) hydroxide ( colourless, soluble) Suggest Corrections 4 Similar questions Q. WebIn this question, we want to write a balanced equation for zinc acetate reacting with sodium hydroxide. Reaction stoichiometry could be computed for a balanced equation. So what this is going to be is a double displacement reaction also known as a double replacement, Those two terms are interchangeable. 2. Write balanced equations in net-ionic The precipitate may be blue-green if traces of iron ions are present: Note: Many metal ions form ferrocyanide precipitates, so potassium ferrocyanide is not a good reagent for separating metal ions. zinc acetate and sodium hydroxide balanced equation. Find another reaction Thermodynamic properties of substances The solubility of WebZinc hydroxide reacts with acetic acid to form zinc acetate and water. The nanoproducts of both methods were ZnO nanostructures of different size and shape, but the microwave irradiation method shows many advantages in yield and reaction time. 2, pp. Zinc acetate is majorly used as dietary supplements. WebZINC acetate | C4H6O4Zn - PubChem Apologies, we are having some trouble retrieving data from our servers PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine National Institutes of Health This is an open access article distributed under the. Until now, many different methods have been developed for the production of ZnO nanopowders [13, 610]. WebQC is a web application with a mission to provide best-in-class chemistry tools and information to chemists and students. Mixing Zinc Acetate And Sodium Phosphate Tribasic What happens when you mix Zinc Acetate and Sodium Phosphate Tribasic? so zinc can react because it's amphoteric? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. When aqueous NaOH is added to ZnCl 2 solution drop by drop, at one time, Zn(OH) 2 precipitate is formed. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Figure 8 shows that when increasing the Zn2+/PVP ratio (), the sizes of ZnO nanorods were increased. Add a comment. What is the balanced equation for zinc acetate plus sodium phosphate? X-ray diffraction patterns sample 1 (a) and sample 2 (b). 28, no. WebWrite a balanced equation when zinc reacts with sodium hydroxide. TEM images of ZnO nanoparticles precipitated in the presence of different surfactants: (a), CTAB (S4), (b) SDS (S3), (c) PVP (S6), (d) nanoparticles precipitated in the absence of surfactant (S2). Of course, just like any other chemical equation, it must be balanced: the number of atoms of each type and the net charge on each side of the equation must be the same. What was the BONUS ROUND answer last night? Reaction between magnesium metal and sodium hydroxide: Does this even happen? Two types of optimization of ZnO hydrothermal preparation from zinc acetate and sodium hydroxide solution are presented, which allowed for obtaining Webthe physical state of the substance. Does sodium produce water when it reacts with water? The balanced equation is: Zn (C2H3O2)2 + NaPO4 --> ZnPO4 + Na (C2H3O2)2. WebZinc hydroxide reacts with acetic acid to form zinc acetate and water. 907o; Density 7.13 g/cm3; Characteristics: Zinc is a bluish-gray metal. [Zn (TEA)] 2+ and acetate ions [CH 3 COO ] were formed, when TEA was added dropwise to a solution containing Zn (CH 3 COOH) 2 .2H 2 O [57]. Why does Mister Mxyzptlk need to have a weakness in the comics? [Zn (TEA)] 2+ and acetate ions [CH 3 COO ] were formed, when TEA was added dropwise to a solution containing Zn (CH 3 COOH) 2 .2H 2 O [57]. Calculate the net ionic equation for Zn(C2H3O2)2(aq) + 2NaOH(aq) = Zn(OH)2(s) + 2Na(C2H3O2)(aq). WebIn this question, we want to write a balanced equation for zinc acetate reacting with sodium hydroxide. Transcript. 88, no. TEM images of sample 1 (a) and sample 2 (b). The absorption properties of ZnO nanoparticles precipitated in the absence of surfactant, or in the presence of SDS, CTAB, and PVP have been also analyzed. These results imply that the particles precipitated in the presence of SDS and CTAB are so large that it is not expected to observe any band gap enlargement in these samples. Share. Autore dell'articolo: Articolo pubblicato: 16/06/2022 Categoria dell'articolo: tippmann stormer elite mods Commenti dell'articolo: the contrast by royall tyler analysis the Ca (s) + Cu (NO3)2 (aq) ==> Ca (NO3)2 (aq) + Cu (s) Two reactants are separated by a _____. calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. The as-prepared Zn(OH)2 was then decomposed by using conventional heating process or with the aid of microwave irradiation. The effect of PVP on ZnO nanoproduct was confirmed directly from the TEM image of the samples. Indeed, $\ce{Zn}$ is lower than $\ce{Na}$ in activity series of metals, so the following reaction won't take place, $$\require{cancel}\ce{Zn + 2NaOH \cancel{} Zn(OH)2 + 2Na}$$, Remember, however, that $\ce{Zn}$ is amphoteric, so it can reacts with a strong base such as $\ce{NaOH}$ as an acid forming sodium zincate, $$\ce{Zn + 2 H2O + 2 NaOH -> Na2Zn(OH)4 + H2}$$. This reaction takes place at a temperature near 550C. and Substitute immutable groups in chemical compounds to avoid ambiguity. WebExamples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3 KMnO 4 + HCl = KCl + MnCl 2 + H 2 O + Cl 2 K 4 Fe (CN) 6 + H 2 SO 4 + H 2 O = K 2 SO 4 + FeSO 4 + (NH 4) 2 SO 4 + CO C 6 H 5 COOH + O 2 = CO 2 + H 2 O K 4 Fe (CN) 6 + KMnO 4 + H 2 SO 4 = KHSO 4 + Fe 2 (SO 4) 3 + MnSO 4 + HNO 3 + CO 2 + H 2 O As the quantity of PVP increases, the size of ZnO nanoparticle reduces by two or three times. The point is that $\ce{Zn}$ does not react as an acid in the reaction above since the reaction is not an acid-base one, but rather oxidation-reduction. It's displacing hydrogen. Autore dell'articolo: Articolo pubblicato: 16/06/2022 Categoria dell'articolo: tippmann stormer elite mods Commenti dell'articolo: the contrast by royall tyler analysis the Why does zinc react with sodium hydroxide? Always remember that the balanced chemical equation between acetic acid and Zinc is a transition metal which shows moderate reactivity. Mixing Zinc Acetate And Sodium Phosphate Tribasic What happens when you mix Zinc Acetate and Sodium Phosphate Tribasic? Our equation will be for i plus s n c 2 because we have to right, balanced molecule increasing. It can be seen that there is a significant blue shift in the excitonic absorption of the nanoparticles prepared in the presence of PVP compared to that of the bulk ZnO (373nm). 1. silver nitrate and potassium chromate. WebWrite a balanced chemical equation of sodium hydroxide and dilute hydrochloric acid. Find another reaction Thermodynamic properties of substances The solubility of Ca (s) + Cu (NO3)2 (aq) ==> Ca (NO3)2 (aq) + Cu (s) Two reactants are separated by a _____. WebZinc oxide (white) reacts with sodium hydroxide (caustic soda) solution to form soluble, colourless solution of sodium zincate. Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced. Add a comment. Balanced equation: "2CH"_3"COOH + Ca(OH)"_2"rarr"Ca(CH"_3"COO)"_2 + "2H"_2"O" Balanced word equation: Two moles of ethanoic acid (acetic acid) react with one mole of calcium WebZnCl 2 and excess NaOH. WebZinc oxide (white) reacts with sodium hydroxide (caustic soda) solution to form soluble, colourless solution of sodium zincate. 515519, 2007. It is a double displacement reaction What Is Equation Of Acetic Acid And Sodium Acetate? A piece of calcium metal is placed into a solution of copper (II) nitrate. Sodium hydroxide - concentrated solution. @Wildcat. The balanced equation is: Zn(C2H3O2)2 + NaPO4 --> ZnPO4 + Create an equation for each element (Zn, C, H, O, Na) where each term represents the number of atoms of the element in each reactant or product. 3, pp. When an aqueous solution of sodium chloride, NaCl, is added to an aqueous solution of lead (lI) nitrate, Pb (NO3)2, a precipitate of lead (ll) chloride, PbCl2, forms. Zn + NaOH = Na2ZnO2 + H2 | Zinc react with sodium hydroxide Zn + 2NaOH Na 2 ZnO 2 + H 2 [ Check the balance ] Zinc react with sodium hydroxide to produce zincate sodium and hydrogen. Is there a single-word adjective for "having exceptionally strong moral principles"? Sodium hydroxide - concentrated solution. - the incident has nothing to do with me; can I use this this way? Zinc passes both tests and so, party time! 3135, 2008. Zn2 (aq) + Br" (aq) + K+ (aq) + s (aq) Zn (s) + K (aq) + Br (aq) Be sure to specify states such as This problem has been solved! Question 19.2 For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Figure 3 shows the TEM images of ZnO nanoparticles prepared by normal and microwave irradiation assisted heating process. Zn reacts with sodium hydroxide to form sodium zincate and the Alkaline earth metals are called that for a reason; except for beryllium the oxides are purely basic (and in fact moderate to strong in basic strength) in water, so sodium hydroxide won't make those metals react. This reaction takes place at a temperature near 550C. Do you want me to calculate Gibbs energy for this reaction and show that it is negative so the reaction is favoured and then (somehow) estimate the reaction rate to show that it will indeed proceed in a reasonable amount of time? A reaction occurs, forming calcium nitrate and copper metal. WebAnswer (1 of 4): Zinc hydroxide = Zn(OH)2Acetic acid = CH3COOHZinc acetate = Zn(CH3COO)2Water = H2OZinc hydroxide reacts with acetic acid to form zinc acetate and water. The quantum confinement of the as produced products was confirmed by the blue shift of the absorption edge in the absorbance spectrum. Then the average particle size in colloid can be obtained from the absorption onset using the effective mass model [6] where the band gap (in eV) can be approximated by How do you get out of a corner when plotting yourself into a corner, Relation between transaction data and transaction id, Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). Let's solve the question. So for example, the dissociation equations for the soluble ionic compounds ammonium sulfate and sodium nitrate are (NH 4) 2 SO 4 (s) 2 NH 4 + (aq) + SO 4 2 Zn (OH) 2 + 2NaOH Na 2 [Zn (OH) 4] [ Check the balance ] Zinc hydroxide react with sodium hydroxide to produce tetrahydroxozincate (II) sodium. Write the net ionic equation. CH_3COOH (aq) + NH_3 (aq) Predict the products of the acid/base reaction between aqueous solutions of acetic acid and sodium acetate. Thermodynamic properties of substances. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. A white precipitate was also obtained at the end of the heating process. WebZn+2NaOHNa 2ZnO 2+H 2 Zinc react with excess sodium hydroxide to form sodium zincate (Na 2ZnO 2) along with hydrogen gas. WebSodium Hydroxide - NaOH. Zinc react with excess sodium hydroxide to form sodium zincate (Na2ZnO2) along with hydrogen gas. The authors of this paper would like to thank the Center for Materials Science (CMS), Faculty of Physics, College of Science, VNU for permission to use its equipments. What is the balanced equation for zinc acetate plus sodium phosphate? A plus sign. 3, pp. Some surfactants such as SDS, CTAB, or PVP were then used to cap the product for studying the influence on the morphology and properties of the nanostructures. D. K. Bhat, Facile synthesis of ZnO nanorods by microwave irradiation of zinc-hydrazine hydrate complex, Nanoscale Research Letters, vol. Of course, just like any other chemical equation, it must be balanced: the number of atoms of each type and the net charge on each side of the equation must be the same. Balanced equation: "2CH"_3"COOH + Ca(OH)"_2"rarr"Ca(CH"_3"COO)"_2 + "2H"_2"O" Balanced word equation: Two moles of ethanoic acid (acetic acid) react with one mole of calcium The formula for calcium hydroxide is "Ca(OH)"_2". 51, no. Who is Jason crabb mother and where is she? is amphoteric, it interacts with the evolution of hydrogen gas. The resulting solution was then heated to obtain ZnO nanoproduct. A reaction occurs, forming calcium nitrate and copper metal. Among the used surfactants, PVP is the most suitable one. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The as-prepared Zn (OH) 2 was then decomposed by using conventional heating process or with the aid of microwave irradiation. 2, pp. So what this is going to be is a double displacement reaction also known as a double replacement, Those two terms are interchangeable. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. It is clear that SDS and CTAB are not suitable to produce ZnO nanoparticles because the products are aggregated to make large particles of several hundreds nanometer. The solubility of the substances. The X-ray diffraction patterns of the samples with , 0.9, and 1.2 were shown in Figure 7. NaOH(aq) Na+ (aq) +OH (aq) Sodium acetate is soluble in aqueous solution, so it will also exist as ions CH3COONa(aq) CH3COO (aq) +Na+ (aq) Put this together to get CH3COOH(aq) +Na+ (aq) +OH (aq) CH3COO (aq) + Na+ (aq) + H2O(l) The sodium cations are spectator ions because they exist as ions on both sides of the Particle size of the ZnO nanoproducts prepared with microwave method can be further reduced by using surfactants. The limiting reagent row will be highlighted in pink. G. Glaspell, P. Dutta, and A. Manivannan, A room-temperature and microwave synthesis of M-doped ZnO (M=Co, Cr, Fe, Mn & Ni), Journal of Cluster Science, vol. This reaction is an example of an endothermic reaction. The mechanism of traditional heating process is conductive heat or heating by convection currents and hence this is a slow and energy inefficient process due to the energy lost at the wall of the vessel. ZnO nanoparticles of different size and shape were successfully fabricated by conventional and microwave method. When aqueous NaOH is added to ZnCl 2 solution drop by drop, at one time, Zn(OH) 2 precipitate is formed. Enter either the number of moles or weight for one of the compounds to compute the rest. Disconnect between goals and daily tasksIs it me, or the industry? The as-prepared Zn (OH) 2 was then decomposed by using conventional heating process or with the aid of microwave irradiation. The solubility of the substances. Share. Linear regulator thermal information missing in datasheet. It just depends upon your textbook whether they use double displacement or double replacement. "After the incident", I started to be more careful not to trip over things. WebWhen zinc react with sodium hydroxide gives Zn +2NaOH= ZnO2 + 2Na +H2 Subodh Baral Lives in Kathmandu, Nepal 4 y Related What are the products when zinc reacts with sodium hydroxide? A 2Zn+2NaOH2Na+2Zn(OH) 2 B Zn+NaOHNa+Zn(OH) 2 C Zn+2NaOH2Na+Zn(OH) 2 D None of these Medium Solution Verified by Toppr Correct option is D) None of the given option is correct. WebMany important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudburymineral complex. Write the ionic equation and balance the equation. One mole of aqueous Zinc Acetate [Zn (C2H3O2)2] and two moles of aqueous Sodium Hydroxide [NaOH] react to form one mole of solid Ashoverite [Zn (OH)2] and two moles of aqueous Sodium Acetate [Na (C2H3O2)] Show Structural Image. It is almost all about remembering answers to "what" questions, i.e. https://www.chemistryscl.com/chemistry_theories/amphoteric_compounds/main.php, We've added a "Necessary cookies only" option to the cookie consent popup, Why does gold react with cyanide and sodium hydroxide. 146149, 2002. 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zinc acetate and sodium hydroxide balanced equation