# chemistry

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A volume of 0.285 L of a gas at STP weighs 0.537 g. Calculate the molar mass of the gas.

• chemistry -

A mole of gas occupies 22.4 L at STP. So what's the mass of 22.4L of this gas?

• chemistry -

so
(1)(.285)=(22.4)(273.15)
what do I do next?

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