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A Tablet Containing 500

Question 94

Multiple Choice

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 × 10-4 for aspirin,what is the pH of the solution?


A) 1.57
B) 2.54
C) 3.52
D) 5.08

Correct Answer:

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