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OpenStudy (anonymous):
Calculate the molar mass of CH4 if 279 ml of the gas measured at 31 deg C and 492 mmHg has a mass of 0.116 g.
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OpenStudy (anonymous):
Can someone just confirm my answer? I'm getting 16.0 g/mol Medal and a big fat appreciation given of course
OpenStudy (anonymous):
m.mass= RT X mass / PV R=0.821 T=31+273=304 K P=492/760=0.647 atm V=0.279 L m=0.116 g Answer will be 16.3 g/mol
OpenStudy (anonymous):
ur ans is right
OpenStudy (anonymous):
Thank you!
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