Questions 5 & 6 both use the chemical reaction below: Cr3+ (aq) + SCN (aq) CrSCN²+ (aq) Solutions of Cr(NO3)3 and KSCN are mixed so that the initial [Cr³+] in the solution is 0.899 M. At equilibrium, the [CrSCN2+] is found to be 0.138 M. What is the [Cr³+] at equilibrium? Enter your answer as a number without units. Your Answer: Answer Question 12 In a separate reaction under certain conditions, the following concentrations are found at equilibrium: [Cr³+] = 0.0167 M, [CrSCN2+] = 0.681 M, and [SCN'] = 0.0824 M. Calculate the value of K for the reaction at this temperature. Enter your answer as a number without units.

Questions 5 & 6 both use the chemical reaction below: Cr3+ (aq) + SCN (aq) CrSCN²+ (aq) Solutions of Cr(NO3)3 and KSCN are mixed so that the initial [Cr³+] in the solution is 0.899 M. At equilibrium, the [CrSCN2+] is found to be 0.138 M. What is the [Cr³+] at equilibrium? Enter your answer as a number without units. Your Answer: Answer Question 12 In a separate reaction under certain conditions, the following concentrations are found at equilibrium: [Cr³+] = 0.0167 M, [CrSCN2+] = 0.681 M, and [SCN'] = 0.0824 M. Calculate the value of K for the reaction at this temperature. Enter your answer as a number without units.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter15: Complex Ion And Precipitation Equilibria

Section: Chapter Questions

Problem 65QAP

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