How many grams of FeS is formed from 28 grams of iron.

univerkov | February 14, 2021 | education

The reaction of obtaining iron sulfide from simple substances.

Fe + S = FeS.

Find the number of moles of iron.

n (Fe) = m / Mr = 28/56 = 0.5 mol.

All elements are taken in the same ratio.

n (Fe) = n (FeS) = 0.5 mol.

Sulfide mass:

m (FeS) = n • Mr = 0.5 • 88 = 44 g.

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