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Answer :

Answer:

1.50 moles

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

find moles of iron:

moles = mass/Mr

moles = 55.8/56

moles = 0.9964 moles

use molar ratio:

2Fe : 3Cl₂

2 : 3

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