Chapter 3.2, Problem 1CP

What is the percent composition by mass of aspirin ( ${\text{(C}}_{\text{9}}{\text{H}}_{\text{s}}{\text{O}}_{\text{4}}\text{)}$ ?

$\begin{array}{l}\text{a)}\hfill \\ \text{44}\text{.26\% C, 3}\text{.28\% H, 52}\text{.46\% O}\hfill \\ \text{b)}\hfill \\ \text{60}\text{.00\% C,4}\text{.47\% H,35}\text{.53\% O}\hfill \\ \text{c)}\hfill \\ \text{41}\text{.39\% C, 3}\text{.47\% H,55}\text{.14\% O}\hfill \\ \text{d)}\hfill \\ \text{42}\text{.86\% C, 6}\text{.35\% H, 50}\text{.79\% O}\hfill \\ \text{e)}\hfill \\ \text{42}\text{.86\% C, 38}\text{.09\% H, 19}\text{.05\% O}\hfill \\ \hfill \end{array}$