A gas is held in a container

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

Problem

A gas is held in a container. An identical container holds the same number of more massive molecules of another gas at the same temperature. What is true about the density and pressure in both containers?
Density in both containersPressure in both containers
A.samesame
B.samedifferent
C.differentsame
D.differentdifferent
A. Density: same; Pressure: same B. Density: same; Pressure: different C. Density: different; Pressure: same D. Density: different; Pressure: different

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