Unknown No. : 10 A flask weighs 55.1305g when clean, dry, evacuated, 161.2410g, when filled with water (density = 1g/ml) and 55.4797g, when filled with a gaseous substance at 1200 torr and 98 °C. What is the molar mass (g/mol) of the gas? [R = 0.082 L.atm/mol. K] %3D

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Unknown No. : 10
A flask weighs 55.1305g when clean, dry, evacuated, 161.2410g, when filled with water (density =
1/ml) and 55.4797g, when filled with a gaseous substance at 1200 torr and 98 °C. What is the molar
mass (g/mol) of the gas? [R = 0.082 L.atm/mol. K]
Note: Show your calculation on a separate paper
Transcribed Image Text:Unknown No. : 10 A flask weighs 55.1305g when clean, dry, evacuated, 161.2410g, when filled with water (density = 1/ml) and 55.4797g, when filled with a gaseous substance at 1200 torr and 98 °C. What is the molar mass (g/mol) of the gas? [R = 0.082 L.atm/mol. K] Note: Show your calculation on a separate paper
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