Chemistry Practice Problems Ideal Gas Law Molar Mass Practice Problems Solution: A gas mixture is made by combining 8.3 g of Ar, Ne...

Solution: A gas mixture is made by combining 8.3 g of Ar, Ne, and an unknown diatomic gas. At STP, the mixture volume of 20.50 L. Identify the unknown gas. What is the molar mass of the unknown gas? 

Problem

A gas mixture is made by combining 8.3 g of Ar, Ne, and an unknown diatomic gas. At STP, the mixture volume of 20.50 L. 

Identify the unknown gas. 

What is the molar mass of the unknown gas? 

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