Asked by Bradley

At STP, 461 mL of a gas have a mass of 1.88 g. What is the molar mass of the gas?
Answered by DrBob222
PV = nRT and solve for n.
n = grams/molar mass and solve for molar mass. OR you can do it all at one time.

PV = nRT and n = grams/molar mass
PV = nRT/molar mass (let's call molar mass M), then
PVM = gRT and solve for M.
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