A single tablet of aspirin contains a dose of of acetylsalicylic acid, .
CHEMISTRY · Multi-part · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A single tablet of aspirin contains a dose of 4.37×10−4mol of acetylsalicylic acid, C9H8O4.
(a) Determine the number of C9H8O4 molecules present in one tablet. Report the value both in standard scientific notation and as an ordinary (expanded) decimal number.
(b) Calculate the total number of hydrogen atoms ingested with this dose. Be sure your answer has the correct number of significant figures and includes appropriate units.