In an aqueous solution, there are $4.00\,\text{g}$ of the carboxylic acid, Q. If this solution is reacted with excess magnesium, $380\,\text{cm}^3$ of gas is given off, measured at s.t.p. Determine the relative formula mass of Q.
- A59
- B118
- C126
- D236
Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry