Answer to Question #206915 in General Chemistry for kim catapang

General Chemistry

Question #206915

A. Calculate the pH of a buffer made from 0.28 M HNO₂ and 0.23 M NO_2-. The Ka for HNO₂ is 4.6 x 10-4.

Expert's answer

pH(H3O+)=-log(H3O+)

pH(of a buffer)=0.553

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