chemistry

Calculate the pH of a solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL
of 0.10 M benzoic acid (Ka = 6.5 x 10
-5

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  1. At pH 7.2, what is the ratio [HPO4 2-]/[H2PO4-]

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