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A student titrating a sample of a powdered aspirin tablet to find out how much acetylsalicylic...

A student titrating a sample of a powdered aspirin tablet to find out how much acetylsalicylic acid is in the sample finds that it requires 30.5 mL of a 0.0907M sodium hydroxide solution to neutralize the acid in the sample. How many milligrams of acetylsalicylic acid did the sample contain? Use the correct number of significant figures.

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