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OpenStudy (superhelp101):
The density of an unknown gas is found to be 2.82 g/L at standard temperature and pressure (STP). What is the molar mass of this gas? 93 g/mol 48 g/mol 79 g/mol 63 g/mol
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OpenStudy (superhelp101):
@asib1214
OpenStudy (superhelp101):
i know that this is the formula PV = nRT but i don't what do after
OpenStudy (superhelp101):
@JoannaBlackwelder
OpenStudy (asib1214):
well you know that 1 mol of any gas contains 22.4L at STP so if you have the density, you can find the mass of the gas like this.... |dw:1406274781202:dw|
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