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bonufazy [111]
2 years ago
14

When 55.8 g of Fe reacts with Cl2 according to the equation 2Fe + 3Cl2 --> 2FeCl3. How many moles of Cl2 are required to reac

t with all the iron?
2.00 mol
1.00 mol
0.67 mol
1.50 mol
Chemistry
1 answer:
harkovskaia [24]2 years ago
8 0

Answer:

1.50 moles

Balanced equation:  2Fe + 3Cl₂ --> 2FeCl₃

<u>find moles of iron:</u>

moles = mass/Mr

moles = 55.8/56

moles = 0.9964 moles

<u>use molar ratio:</u>

2Fe : 3Cl₂

2 : 3

moles of Cl₂ = (0.9964/2)*3 = 1.50 moles

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Unknown:

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