Flask A has a volume of 0.50 L and contains 50 g of a volatile liquid.Flask B has a volume of 1.0 L and contains 25 g of the same liquid.Both flasks are stoppered and both are at 30 °C.The ratio of the vapor pressure of the liquid in Flask A to that in Flask B is:
A)4:1
B)2:1
C)1:1
D)1:2
E)1:4

Question

Quizplus · Accepted Answer

The vapor pressure of a liquid in a closed container at a given temperature is independent of the amount of liquid. Therefore, both flasks will have the same vapor pressure since they contain the same liquid at the same temperature, leading to a ratio of 1:1.

Flask a Has a Volume of 0