balloutbot
balloutbot
20-01-2017
Chemistry
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How many atoms are there in 2.43 g of mercury?
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AbhiGhost
AbhiGhost
20-01-2017
Number of moles of mercury =
[tex] \frac{weight of mercury}{molar mass of mercury} = \frac{2.43}{200.59} = 0.012 moles[/tex].
Number of atoms = moles of Hg x 6.02 x 10^23 = 0.012 x 6.02 x 10^23 = 7.224 x 10^21 atoms.
Hope this helps!
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