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The mass of an evacuated 250 mL flask is 143.237 g . The mass of the...

The mass of an evacuated 250 mL flask is 143.237 g . The mass of the flask filled with 277 torr of an unknown gas at 25 ∘C is 144.317 g . Calculate the molar mass of the unknown gas. show your work..

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144 317) 237 Mels: PV RT (217 lm O.25L 760 298K) 0.0g > 1L at met- k X 23374049 3.72x163mot Melar mner: 3. 72x (03md 2-83F102

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