Asked by Luke
18) Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for aspirin by dissolving 0.534 g of it in water and titrating it with 0.0446 M KOH solution. The titration required 26.73 mL of base. What is the percentage by weight of aspirin in the drug?
Answers
Answered by
DrBob222
mols KOH = M x L = ?
Since aspirin is a monoprotic acid then mols aspirin = mols KOH.
g aspirin = mols aspirin x molar mass aspirin.
% aspirin = (mass aspirin/0.534)*100 =
Since aspirin is a monoprotic acid then mols aspirin = mols KOH.
g aspirin = mols aspirin x molar mass aspirin.
% aspirin = (mass aspirin/0.534)*100 =
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