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August 2, 2015

Homework Help: Chemistry

Posted by Jake on Monday, June 3, 2013 at 10:07pm.

A) Determine the pH of a 0.98 x 10^-2 mol L solution of hydrocyanic acid (HCN) Ka = 4.0 x 10^-10

B) What is the pH of a 0.243mol L solution of methylamine? (pKb for CH3NH2 = 3.30)

C) determine the pH of a buffer solution of Na2CO3 (pkb = 3.68, 0.125 M) and NaHco3 (0.35M)

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