Question

If the volume of a gas is 19.4 L at 4.99 atm, what is the volume at 1580 mmHg

Answer 1

$V_1=19.4\;L \\ P_1=4.99 \;atm \\ P_2=1580 \;mmHg = 2.078 \;atm \\ P_1V_1=P_2V_2 \\ V_2= \frac{P_1V_1}{P_2} \\ = \frac{4.99 \times 19.4}{2.078} = 46.58 \;L$

Answer: 46.58 L