A sample of solid Pbl₂ is shaken vigorously at 298 K with 100 ml of 0.10 M KI solution. Given that the Kåp for lead iodide at 298 K is 6.5x10¯⁹, what is the concentration of Pb+2 ion in the solution after equilibrium is attained? 0.050 M 6.5x10-8 2.5x10 3 M 6.5x107 M 1.3x10-6 M What is the pH of a solution that is 0.20 M in CH3COONa and 0.10 M in CH3COOH ? Ka for CH3COOH = 1.8x10-5 at room temperature. OO 5.45 4.75 5.05 O 6.05 O 5.75

A sample of solid Pbl₂ is shaken vigorously at 298 K with 100 ml of 0.10 M KI solution. Given that the Kåp for lead iodide at 298 K is 6.5x10¯⁹, what is the concentration of Pb+2 ion in the solution after equilibrium is attained? 0.050 M 6.5x10-8 2.5x10 3 M 6.5x107 M 1.3x10-6 M What is the pH of a solution that is 0.20 M in CH3COONa and 0.10 M in CH3COOH ? Ka for CH3COOH = 1.8x10-5 at room temperature. OO 5.45 4.75 5.05 O 6.05 O 5.75

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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