Question

What is the percent of MgSO4 in magnesium sulfate heptahydrate?

48.83 %
51.17 %
95.43 %
86.98 %

Answer 1

Molecular weight of MgSO4.7H2O is = 246.47 g
Molecular weight of MgSO4 is = 120.36 g

Hence, per cent of MgSO4 present in MgSO4.7H2O is,
=$\frac{\text{Molecular weight of MgSO4}}{\text{Molecular weight of MgSO4.7H2O}}$ X 100
= $\frac{120.36}{246.47}$ X 100
= 48.83 %

Answer 2

Answer:

48.83

Explanation:

on edge