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11 January, 16:20

What is the volume of 15.0 grams of H2S at STP

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  1. 11 January, 16:41
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    1 mole of any gas under STP has volume 22.4 L.

    Molar mass M (H2S) = 2M (H) + M (S) = 2*1.0 + 32.1=34.1 g/mol

    15g * 1mol/34.1g = 0.440 mol

    0.440 mol*1L/22.4L = 9.85 L

    The volume of 15.0 grams of H2S at STP is 9.85 L.
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