Asked by Shellie

Mass of an unknown gas of 50 mL volume at 25 degrees C. and 740 mm of Hg pressure was 0.056 g. The molecular mass of this gas is...

Answers

Answered by DrBob222
PV = nRT and solve for n = mol gas.
Then n = grams/molar mass
Solve for molar mass.
Don't forget T must be in kelvin and P: must be in atm. 740 mm = 740/760 atm
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