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If iron is co...

Question

If iron is combined with sulphur to form the product ferrous sulfide, then what will be the molecular mass of the product?
[Given: Atomic Masses : Fe = 56 amu, S = 32 amu]

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Solution

$F e + S \to F e S$
Atomic Masses : Fe = 56 amu, S = 32 amu
One atom of each element on each side of the equations

Molecualr mass of FeS = 56 + 32 = 88 amu

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