A 1.00 L sample of a gas has a mass of 1.92 g at STP. What is the molar mass (molecular weight) of the gas

The molar mass will be "43.008 g/mol".

Given:

Mass = 1.92 gSample of gas = 1.00 L

Now,

Number of moles will be:

=

=

hence,

The molar mass,

=

By putting the values,

=

=

Thus the answer above is correct.

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