Asked by kellie

A volume of 0.285 L of a gas at STP weighs 0.537 g. Calculate the molar mass of the gas.
Answered by DrBob222
A mole of gas occupies 22.4 L at STP. So what's the mass of 22.4L of this gas?
Answered by kellie
so
(1)(.285)=(22.4)(273.15)
what do I do next?
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