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Calculate the mass of one molecule of me...

Calculate the mass of one molecule of methane `(CH_(4))`.

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Molecular mass of `CH_(4) = 12 xx 1 + 1.008 xx 4 = 16`
Mass of `6.022 xx 10^(23)` molecules of `CH_(4) = 16` g
Mass of one molecule of `CH_(4) = ("Gram molecular mass")/(6.022 xx 10^(23))`
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