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A biochemist wishes to use alanine to buffer a solution at pH 2.94. Alanine has two...

A biochemist wishes to use alanine to buffer a solution at pH 2.94. Alanine has two ionizable groups, with pKa values of 2.34, and 9.6. She has 200 ml of a 0.1 M alanine solution at pH 9.6. What volume of 1.0 M HCl must she add to bring the pH to 2.94?

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