Question 6
Part A.) A solution consists of 0.35 M MgCl2 and 0.88 M CuCl2. Calculate the concentration of hydroxide ion needed to separate the metal ions. The Ksp of Mg(OH)2 is 6.3x10-10, and the Ksp of Cu(OH)2 is 2.2x10-20. Multiply your answer by 106 and enter that number to 0 decimal places.
Part B.) An industrial chemist converts Zn(H2O)42+ to the more stable Zn(NH3)42+ (Kf = 7.8×108) by mixing 43 L of 0.002 M Zn(H2O)42+ and 16.2 L of 0.1 M NH3. What is the concentration of Zn(H2O)42+ at equilibrium? Multiply your answer by 106 and enter that number to 2 decimal places.
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Question 6 Part A.) A solution consists of 0.35 M MgCl2 and 0.88 M CuCl2. Calculate...
An industrial chemist converts Zn(H2O)42+ to the more stable Zn(NH3)42+ (Kf = 7.8×108) by mixing 55.2 L of 0.002 M Zn(H2O)42+ and 19.3 L of 0.18 M NH3. What is the concentration of Zn(H2O)42+ at equilibrium? Multiply your answer by 106 and enter that number to 2 decimal places.
Part A. Which of the following is not a redox reaction? H2O(l) + NH3(g) NH4+(aq) + OH–(aq) 2H2(g) + O2(g) 2H2O(l) Zn(s) + H2SO4(aq) ZnSO4(aq) + H2(g) FeSO4(aq) + K2Cr2O7(aq) + 7H2SO4(aq) Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(l) Cl2(g) + 2KBr(aq) Br2(l) + 2KCl(aq) Part B. A 43.46 mL sample of Na2SO3 was titrated with 68.99 mL of 0.128 M K2Cr2O7 solution in the presence of H2SO4. Calculate the molarity of the Na2SO3 solution. Enter to 3 decimal...
HW fb 11/06/19 4 6% 1st attempt Part 1 (1 point) l See Periodic Table Calculate the solubility (in M of cobalt(II) hydroxide, Co(OH)2(s) in H2O. Ksp = 2.90x10-16 at a specific temperature. Part 2 (1 point) What is the pH of this solution of cobalt(II) hydroxide? - pH 5 OF 9 QUESTIONS COMPLETED < 08/09 > SU