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ANEK [815]
3 years ago
8

How many molecules are there in 79g of Fe2O3? how many atoms is thi

Chemistry
1 answer:
Nookie1986 [14]3 years ago
7 0
Molar mass of iron(III) oxide is 160g/mol

 160g ----------- of iron(III) oxide is ---------------- 6.02*10²³molecules
 79g   ----------- of iron(III) oxide is ---------------- x

x = [6.02*10²³*79g]/160g ≈ <u>2.97*10²³ molecules</u>
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