The formula for the chemical compound magnesium sulphate is ${MgSO}_{4}$ $"MgSO"_4$ . How do you calculate the relative formula mass (M) of this compound?

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Answer 1 · 2016-11-04T07:50:16

Mass=120g

Formula Mass is the sum of masses of Individual atoms in the compound.It is Taken out in case of ionic compounds.

$M g S O_{4}$ $MgSO_4$

Mass=mass of Mg +mass of S +4xmass of oxygen

mass=24+32+64
mass=120g

The formula for the chemical compound magnesium sulphate is MgSO4"MgSO"_4. How do you calculate the relative formula mass (M) of this compound?