A weak acid has a molar mass of

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

162\ \text{g mol}^{-1}

. Analysis of a

0.8821\ \text{g}

sample showed that its composition by mass is

0.0220\ \text{g}

0.3374\ \text{g}

P, and the remainder O. Determine its empirical and molecular formulas.