A flask contains a mixture of and at and

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

Problem

A flask contains a mixture of

\text{N}_2

and

\text{CO}_2

1.5 \text{ atm}

and

27^\circ\text{C}

. If

\text{CO}_2

is removed the pressure falls to

0.5 \text{ atm}

and the mass of the flask drops by

22 \text{ g}

. The mass of

\text{N}_2

in g in flask is .....