calculate the mass percentage of various elements present in MgSO4
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Molar mass of the MgSO₄ = 120 g/mole.
✒Mass of Mg = 24 g.
✒Mass of S = 32 g.
✒Mass of O = 16.
∴ Mass of O₄ = 16 × 4 = 64 g.
∴ % comp. of Mg = Mass of Mg/Mass of MgSO₄ × 100%
= 24/120 × 100 %
∴ % comp. of Mg = 20 %
% comp. of S = Mass of S/Mass of MgSO₄ 32/120 × 100 %
= 32/120 × 100%
= 0.266 × 100%
∴ % comp. of S = 26.66 %
% comp. of O₄ = Mass of O₄/Mass of MgSO₄ × 100 %
= 64/120 × 100 %
= 0.533 × 100 %
∴ % comp. of O₄ = 53.33
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2
Answer:
Mg 20.192%
Explanation:
O 53.168%
S 26.639%
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