A gas mixture is made by combining 7.0 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 16.60 L. What is the molar mass of the unknown gas?
Considering molar mass of
The total number of moles Ar , Ne and unknown gas in the gas mixture each having mass of 7g is
Total Volume of these three gases at STP is