Question

A tablet containing 500.0 mg of aspirin (acetylsalicylic acid or HC9H7O4) was dissolved in enough water to make 100 mL of solution. Given that Ka= 3.0 10-4for aspirin, what is the pH of the solution?
A) 1.57
B) 2.54
C) 3.52
D) 5.08

Answer

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