Problem: 3.95 g of an unknown gas at 75°C and 1.05 atm is stored in a 2.55-L flask. What is the density of the gas? What is the molar mass of the gas?

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3.95 g of an unknown gas at 75°C and 1.05 atm is stored in a 2.55-L flask. 

What is the density of the gas? 

What is the molar mass of the gas?

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Our tutors have indicated that to solve this problem you will need to apply the The Ideal Gas Law: Density concept. You can view video lessons to learn The Ideal Gas Law: Density. Or if you need more The Ideal Gas Law: Density practice, you can also practice The Ideal Gas Law: Density practice problems.