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23 May, 01:05

The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 1023 atoms in 1 mol.

How many atoms are present in 48.60 g of Mg?

3.32 10^-24 atoms

1.96 10^-21 atoms

1.20 10^24 atoms

7.11 10^26 atoms

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  1. 23 May, 04:06
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    48.60g Mg x (1 mol Mg / 24.3g Mg) x (6.02x10^23) = 1.20x10^24
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