A Titration of 100

question 107

Multiple Choice

A titration of 100.0 mL of 1.00 M malonic acid (H₂A) was done with 1.00 M NaOH. For malonic acid, K_a1 = 1.49  10^-2, K_a2 = 2.03  10^-6.
-Calculate the [H⁺] after 50.00 mL of 1.00 M NaOH has been added.

• A) 2.00  10^-6 M
• B) 1.41  10^-10 M
• C) 1.49  10^-2 M
• D) 3.87  10^-2 M
• E) none of these

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