Consider a buffer made by adding 57.9 g of (CH₃)₂NH₂I to 250.0 mL of 1.42 M (CH₃)₂NH (Kb = 5.4 x 10⁻⁴) What is the pH of the buffer after 0.300 mol of H⁺ have been added?

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 14PS: What must the ratio of H2PO4 to HPO42 be to have a buffer with a pH value of 7.00?
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Consider a buffer made by adding 57.9 g of (CH₃)₂NH₂I to 250.0 mL of 1.42 M (CH₃)₂NH (Kb = 5.4 x 10⁻⁴) What is the pH of the buffer after 0.300 mol of H⁺ have been added?

 

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