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Part A Aspirin (acetylsalicylic acid, C9H8O4) is a weak monoprotic acid. To determine its acid-dissociation constant, a...

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Chemistry

Part A

Aspirin (acetylsalicylic acid, C9H8O4) is a weak monoproticacid. To determine its acid-dissociation constant, a studentdissolved 2.00 g of aspirin in 0.600 L of water and measured thepH. What was the Ka value calculated by the student if the pH ofthe solution was 2.62?

Part B

A 0.100 M solution of ethylamine (C2H5NH2) has a pH of11.87. Calculate the Kb for ethylamine.

Answer & Explanation Solved by verified expert
3.6 Ratings (569 Votes)
A Molar mass of C9H8O4 MM 9MMC 8MMH 4MMO 91201 81008 4160 180154 gmol massC9H8O4 200 g use number of mol of C9H8O4 n mass of C9H8O4molar mass    See Answer
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