1.

In MgSO_(4) (At. Mass: Mg = 24, S = 32, O = 16), the mass percentage of

Answer»

MG = 80%
Mg = 20%
S= 26.7%
S = 53.3 %

Solution :MOLAR mass of `MgSO_(4) = 24 + 32 + 4 xx 16 = 120`
Mass % of Mg `=24/120 xx 100 = 20%`
Mass % of S `=32/100 xx 100 = 26.7%`


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