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09-02-2017
Chemistry

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the number of atoms in 98.3g mercury

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09-02-2017

Moles = mass/atomic weight of mercury
= 98.3/200.59
= 0.49 moles.

Number of atoms = moles x 6.02 x 10^23
= 0.49 x 6.02 x 10^23
= 2.94 x 10^23 atoms.

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