gilejaymi13 gilejaymi13

23-01-2021
Chemistry

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If you have 9.3×1026 molecules of iron that rusts, how many molecules of oxygen does it take?
Fe + O2 à __Fe2O3

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ihlester ihlester

23-01-2021

Answer:1.395x10^27 molecules of O2

Explanation:

2Fe + 3/2O2 —> Fe2O3

for every 2 atoms of Fe, 1.5 molecules of O2 —> 1.395x10^27

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