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How many molecules are there in 79g of Fe2O3? how many atoms is thi
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Oct 6, 2017
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How many molecules are there in 79g of Fe2O3? how many atoms is thi
Chemistry
high-school
Samira
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Molar masses:
So:
160g ---------- 6·10²³molecules
79g ---------- x
x = 2.9625·10²³ molecules
1molecule = 5 atoms
2.9625·10²³ molecules = 2.9625·10²³·5 = 14.8125·10²³ atoms
Martin Ueding
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Oct 12, 2017
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Martin Ueding
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