Question #66245
Molar Mass of a Gas:
A sample of gas has a mass of 827 mg. Its volume is 0.270 L at a temperature of 88 ∘C and a pressure of 975 mmHg. Find its molar mass.
Express the molar mass in grams per mole to three significant figures.
A sample of gas has a mass of 827 mg. Its volume is 0.270 L at a temperature of 88 ∘C and a pressure of 975 mmHg. Find its molar mass.
Express the molar mass in grams per mole to three significant figures.
Expert's answer
pV=mR/M; M=mRT/pV
M=0.827g*8.314J/Mol*ᵒK*361ᵒK/129989.309Pa*0.00027m³=70.72g/Mol
M=0.827g*8.314J/Mol*ᵒK*361ᵒK/129989.309Pa*0.00027m³=70.72g/Mol
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#340153 on Dec 2023
#340153 on Dec 2023
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