What is the formula weight of iron(II) sulfate? Answer in units of g/mol.

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30-10-2015
Chemistry

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What is the formula weight of iron(II) sulfate? Answer in units of g/mol.

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ahmedishaal ahmedishaal · Answer 1 · 2017-09-08T19:15:06-04:00

Iron (II)
sulfate also known as ferrous sulphate. Its chemical formula is FeSO₄, and
formula weight is the sum of the atomic weights of all atoms that
are present in a given chemical formula.

Molar mass of Fe is 55.8450
g/mol

Molar mass of S
= 32.065 g/mol

Molar mass of
oxygen = 15.999 g/mol

Now add the
masses according to formula:

55.8450 + 32.065

4(15.999) = 151.96 is the formula weight of FeSO₄