Ph of acetylsalicylic acid the active ingredient in aspirin, Ask an Expert

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PH of Acetylsalicylic Acid

The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka = 3.3x10-4. What is the pH of a solution obtained by dissolving two extra-strength aspirin tablets, containing 500 mg of acetylsalicylic acid each, in 250 mL of water?

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Category:- Chemistry
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