When ammonia is added to Zn(NO3)2 solution, a white precipitate forms, which dissolves on the addition of excess ammonia; but when ammonia is added to a mixture of Zn(NO3)2 and NH4NO3 no precipitate forms at any time. Suggest an explanation for this difference in behavior.
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When ammonia is added to Zn(NO3)2 solution, a white precipitate forms, which dissolves on the addition...
40. Concentrated aqueous ammonia is added to a solution of copper(II) sulfate. A white precipitate forms. The precipitate dissolves as more ammonia is added, generating an intensely blue solution. Which combination of net ionic equations, in the appropriate order, describes this chemistry?! I Cu?* (aq) + 2OH(aq) Cu(OH)2 (19) II Cu?" (aq) + 2OH(aq) = Cu(OH)2 (8) III Cu(OH)(aq) + 4 NH, (aq) Cu(NH3),?* () + 2OH(aq) IV Cu(OH)2 (8) + 4NH, (aq) Cu(NH3)*(14) + 2OH(aq) V NH3(aq) + H20...
When ammonia is slowly added to a light blue solution of CuSO4 (aq), at first a white precipitate forms. What is the formula of that precipitate? After more ammonia is added, a dark blue solution forms. What is the formula of the compound or ion responsible for the dark blue color?
i need help with this lab please. can i get someone to answer the entire thing. thank you Instructor Equilibria of Coordination Compounds OBSERVATIONS AND DATA 1. The formation of complex ions with ammonia The net ionic equation for the reaction of excess Cuso, with NH, is 24 Cu2+ + 4NH3 [cu (NH3)4] The predicted effect on the reaction above of adding excess NH, (based on Le Châtelier's principle) is The reaction will shift to the night and product formation...
When a solution of ammonium chloride, NH4Cl, is added to a solution of lead (II) nitrate , Pb(NO3)2, a white precipitate, PbCl2, forms. Which of the following is the total ionic equation for this reaction? A) 2 NH4Cl(aq)+Pb(NO3)2(aq)-->PbCl2(s)+2 NH4NO3 (aq) B) 2 NH4+(aq)+2Cl-(aq)+Pb2+(aq)+2NO3-(aq)-->PbCl2(s)+2NH4+(aq)+2NO3-(aq) C) Pb2+(aq)+2Cl-(aq)-->PbCl2(s) D) Pb2+(aq)+Cl2-(aq)-->PbCl2(s)
If NH3 (ammonia, pKb=4.74) is added to a solution of Fe(NO3)3 such that right after the addition we have 50 mL of 5.0 M NH3 and 0.0040 M Fe(NO3)3 (right after addition) Find Kc for Fe2+(aq) + 2OH-(aq) ---> Fe(OH)2 (s) any type of explanation would be helpful please!
Explain in terms of ion concentrations and Ksp why a precipitate forms for some solutions. When ammonia is added to a solution that has Cu(OH)2(s) precipitate in it, the precipitate dissolves. Use Le Châtelier’s principle to explain this. Based on your observations, when a colour change occurs but no phase change occurs, what kind of reaction might have occurred?
1. If a solution of hydrochloric acid is added to a solution of sodium carbonate, what is observed? Write the net ionic equation of any reaction that may occur (4P). 2. You have a clear colorless unknown solution with a group I cation. After adding some hydrochloric acid solution you obtain a white precipitate. Addition of ammonia causes the white precipitate to dissolve. Acidifying with nitric acid makes the precipitate reappear. Which cation do you suggest was in the unknown...
A precipitate will form when aqueous Pb(NO3)2 is added to an aqueous solution of ____. A. NaCH3CO2 B. CaBr2 C. Ca(ClO4)2 D. NaNO3 Please answer quickly!
QUESTIONS: Expt. 21 Name: Silver nitrate is added to solution containing an unknown salt. An off-white colored precipitate Torms Nitric acid is added to the mixture the precipitate dissolves and gas is given off Analyze this data and determine the anion present a CH b. Br d POS- e. CO 2 A dark glass bottle of chemicals is found in cleaning out an old basement Part of the label has been eaten away with age. Only the last part of...
A precipitate will form when aqueous AgNO3 is added to an aqueous solution of KBr NaNO3 Ca(CIO)2 Cu(NO3)2 Mg(NO3)2