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30 December, 11:01

How many atoms of oxygen are in 8.43 g of magnesium sulfate heptahydrate (Epsom salts) ? How many atoms of oxygen are in 8.43 g of magnesium sulfate heptahydrate (Epsom salts) ?

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  1. 30 December, 12:41
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    Moles oxygen = 0.0338 x 11 = 0.372

    atoms oxygen = 0.372 x 6.02 x 10^23=2.24 x 10^23

    moles water = 7 x 0.0338 = 0.237
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