General Questions
These questions are not explicitely keyed to chapter topics; many require integration of several concepts.
Ascorbic acid (vitamin C, C6H8O6) is a diprotic acid (Ka1 = 7.9 × 10-5, Ka2 = 1.6 × 10-12). Calculate the pH of a solution that contains 5.0 mg acid per mL water. (Assume that only the first ionization is important in determining pH.)
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