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22 May, 23:16

A sample of C3H8 has 8.08 * 1024 H atoms.

How many carbon atoms does the sample contain?

What is the total mass of the sample?

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  1. 23 May, 00:34
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    (8.08x10^24 H atoms) (3 C atoms/8 H atoms)

    =3.03x10^24 C atoms

    3.03x10^24+8.08x10^24=1.111x10^25 atoms total

    (1.111x10^25) / (6.02x10^23) = 18.4551495 mol C3H8

    18.4551495 (44.01) = 812.2111296g C3H8
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