Problem: A balloon is filled with SF6 gas at 22°C to a volume of 2.50 liters and has a pressure inside equal to 1.25atm. Molar mass of SF6 is 146.06 g/mol.a. What is the mass of SF6 in the balloon?b. Calculate the density of the SF6 in the balloon?c. How many molecules of SF6 are in the balloon?

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Problem Details

A balloon is filled with SF6 gas at 22°C to a volume of 2.50 liters and has a pressure inside equal to 1.25atm. Molar mass of SF6 is 146.06 g/mol.

a. What is the mass of SF6 in the balloon?


b. Calculate the density of the SF6 in the balloon?


c. How many molecules of SF6 are in the balloon?

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Based on our data, we think this problem is relevant for Professor Joens' class at FIU.