Chemistry

Chemistry

Problem

Methane collected over water occupies

500.\,\text{mL}

at

20^{\circ}\text{C}

. The barometric pressure is

740\,\text{mmHg}

, and the vapor pressure of water at

20^{\circ}\text{C}

is

18\,\text{mmHg}

. What is the mass of methane in the sample? a)

0.339\,\text{g}

b)

0.317\,\text{g}

c)

0.277\,\text{g}

d)

0.325\,\text{g}

Browse the problem library