To an evacuated vessel with movable piston under external pressure of

CHEMISTRY · Subjective · IB Diploma Programme · Chemistry · Ideal gases · Ideal gases

Problem

1 \text{ atm}

0.1 \text{ mol}

of He and

1.0 \text{ mol}

of an unknown compound (vapour pressure

0.68 \text{ atm}

. at

0^\circ\text{C}

) are introduced. Considering the ideal gas behaviour, the total volume (in litre) of the gases at

0^\circ\text{C}

is close to ..... (IIT 2011)