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Calculate the Kb. Report your answer to 2 significant figures in the following form: 0.0050 would be written as 5.0E-3 A liter of a buffer solution contains 0.10 mole of B and 0.20 mole of BH+. The pH of the buffer is 9.50. The Kb of the weak base B is

Calculate the Kb. Report your answer to 2 significant figures in the following form: 0.0050 would be written as 5.0E-3 A liter of a buffer solution contains 0.10 mole of B and 0.20 mole of BH+. The pH of the buffer is 9.50. The Kb of the weak base B is

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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
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Question 9: Calculate the Kb. Report your answer to 2 significant figures in the following form: 0.0050 would be written as 5.0E-3 A liter of a buffer solution contains 0.10 mole of B and 0.20 mole of BH+. The pH of the buffer is 9.50. The Kb of the weak base B is
Transcribed Image Text:Question 9: Calculate the Kb. Report your answer to 2 significant figures in the following form: 0.0050 would be written as 5.0E-3 A liter of a buffer solution contains 0.10 mole of B and 0.20 mole of BH+. The pH of the buffer is 9.50. The Kb of the weak base B is
Expert Solution
Step 1: Introduction to the acidic-basic buffer solutions


A mixture of weak acid and its conjugate ion with strong base forms an acidic buffer solution.

A mixture of weak base and its conjugate ion with strong acid forms a basic buffer solution

A mixture of weak base, B and its conjugate ion with strong acid, BH+ forms a basic buffer solution, and its pOH is given by

p to the power of O H end exponent equals p to the power of K subscript b end exponent plus log left parenthesis fraction numerator left square bracket B H to the power of plus right square bracket over denominator left square bracket B right square bracket end fraction right parenthesis

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