400
10.33: Suppose you are given two 1 L flasks and told that one contains a gas of MM 30, the other a gas of MM 60, both at the same Temp. The pressure in flask A is Xatm, and the mass of gas in flask A is 1.2g. The pressure in flask B is .5Xatm, and the mass of the gas in flask B is 1.2g. Which flask contains the gas of MM 30, and which contains the gas of MM 60?
Flask A contains gas with 30 g/mol and Flask B contains gas with 60 g/mol