density of gas at stp?

how does the density of gas at stp depend upon the identity of the gas?

had to do something with

Density increases as molar mass increases concept.

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  • 7 years ago
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    At STP, one mole of gas occupies 22.4 L.

    Atomic weights: H=1, H2=2, C=12, O=16, CO2=44

    Density of H2: 2g/22.4L = 0.0893 g/L

    Density of CO2: 44/22.4 = 1.96 g/L

    Density6 increases as molecular weight increases.

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