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An unknown diatomic gas has a density of 3.164g/L at STP. What is the identity of the gas?
A gas mixture is made by combining 6.0 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 14.22 L. What is the molar mass of the unknown gas(g/mol)? Identify the unknown gas.