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How many grams of Fe will react with 65.2 grams of O₂?
4Fe +3022Fe2O3

1 Answer

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Answer:

151.72 g of Fe

Step-by-step explanation:

4Fe + 3O2 = 2Fe2O3

4 moles of Fe will react to 3 moles of O2

Fe has atomic mass of 55.85 g/mole

O2 has atomic mass of 16 x 2 = 32 g/mole

=> 4Fe = 4 x 55.85 = 223.4 g

=> 3O2 = 3 x 32 = 96 g

so the amount of Fe: (223.4 x 65.2)/96 = 151.72

User Krish Munot
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