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how many atoms are there in 0.0300 mole of methane molecules?

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Molecular Weight of Methane is 16.04g.

1mol of methane = 16.04g Methane
1mol = 6.022*10^23 atoms
You have 0.0300 mol.

0.0300mol* (16.04g/1mol) = 0.482mol
0.482mol*(6.022*10^23atoms/1mol)= 2.90*10^23 atoms of methane
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