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The mass of a sample of a liquid compound was found to be 0.534 g after the compound was vaporized in a containter placed in a boiling water bath at 100°C at 748 torr. The volume of the container was 286mL. Calculate the molecular mass of the compound.

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PV = nRT and solve for n.
n = grams/molar mass

Solve for molar mass.

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