To convert moles to atoms, you first convert the mole to molecules then use the element's subscripts and multiply it to the answer.
0.001 moles water × | ( | 6.02×1023 water molecules 1 mole water | ) | = 6.02×1020 water molecules |
100 water molecules × | ( | 1 mole water 6.02×1023 water molecules | ) | = 1.66× 10-22 moles water |
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