Problem: You may want to reference (Pages 404 - 407) Section 10.4 while completing this problem.When a large evacuated flask is filled with argon gas, its mass increases by 3.224 g. When the same flask is again evacuated and then filled with a gas of unknown molar mass, the mass increase is 8.102 g.Based on the molar mass of argon, estimate the molar mass of the unknown gas.

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We are asked to estimate the molar mass of the unknown gas.


Assume the container can only contain the same amount of moles. 


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Problem Details

You may want to reference (Pages 404 - 407) Section 10.4 while completing this problem.

When a large evacuated flask is filled with argon gas, its mass increases by 3.224 g. When the same flask is again evacuated and then filled with a gas of unknown molar mass, the mass increase is 8.102 g.

Based on the molar mass of argon, estimate the molar mass of the unknown gas.

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