Problem: Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of a 0.10 M solution of aspirin (acetylsalicyclic acid, Ka = 3.0 × 10–4) solution.A)  3.5    B)  2.9    C)  4.1    D)  10.5    E)  1.8

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Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of a 0.10 M solution of aspirin (acetylsalicyclic acid, Ka = 3.0 × 10–4) solution.

A)  3.5    B)  2.9    C)  4.1    D)  10.5    E)  1.8

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