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When 1.42g of iron reacts with 1.80g of chlorine, 3.22g of FeCl2(s) and 8.60kj of heat...

When 1.42g of iron reacts with 1.80g of chlorine, 3.22g of FeCl2(s) and 8.60kj of heat is produced. What is the enthalpy change for the reaction when 1 mole of FeCl2(s) is produced.
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