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Nickel ion (Ni") and hydroxide (OH) are in equilibrium with solid Ni(OH)2 in a 1-Liter solution that was formed by adding pure Ni(OH)2 in water.

Nickel ion (Ni") and hydroxide (OH) are in equilibrium with solid Ni(OH)2 in a 1-Liter solution that was formed by adding pure Ni(OH)2 in water.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Nickel ion (Ni") and hydroxide (OH) are in equilibrium with solid Ni(OH)2 in a 1-Liter solution that was formed by adding pure Ni(OH)2 in water. Solid present: Ni(OH): (5) + Ni* +2 OH Ksp 3D 5.5 х 10-18 a. What is the equilibrium concentration of Ni- ions (in M and mg/L)? b. What is the pH of the solution for part a? c. If the pH is adjusted to pH = 7 by adding a negligible amount of HC1 (ie., there no change in volume), calculate the new equilibrium concentration of Ni (in M and mg/L).
Transcribed Image Text:Nickel ion (Ni") and hydroxide (OH) are in equilibrium with solid Ni(OH)2 in a 1-Liter solution that was formed by adding pure Ni(OH)2 in water. Solid present: Ni(OH): (5) + Ni* +2 OH Ksp 3D 5.5 х 10-18 a. What is the equilibrium concentration of Ni- ions (in M and mg/L)? b. What is the pH of the solution for part a? c. If the pH is adjusted to pH = 7 by adding a negligible amount of HC1 (ie., there no change in volume), calculate the new equilibrium concentration of Ni (in M and mg/L).
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