A sample of argon gas occupies at a temperature of and a pressure of
CHEMISTRY · Multi-part · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A sample of argon gas occupies 5.00L at a temperature of 300K and a pressure of 2.00atm. Answer the following questions. (Take 1atm=1.013×105Pa and atomic mass of Ar =40gmol−1.)
(a) Calculate the number of moles of argon present in the sample.
(b) Determine the volume that this quantity of argon would occupy at STP.
(c) Find the mass of argon contained in the original sample.