Chemistry, 16.12.2021 18:30, hollicious1384

The mass of an evacuated 255-mL flask is 143.187 g. The mass of the flask filled with 264 torr of an unknown gas at 25 ∘C is 143.289 g . Calculate the molar mass of the unknown gas.

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The mass of an evacuated 255-mL flask is 143.187 g. The mass of the flask filled with 264 torr of an...