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What is the percent of MgSO4 in magnesium sulfate heptahydrate? 48.83 % 51.17 % 95.43 % 86.98 %
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5 votes
What is the percent of MgSO4 in magnesium sulfate heptahydrate?

48.83 %
51.17 %
95.43 %
86.98 %

User Doniel
by
7.5k points

2 Answers

4 votes

Answer:

48.83

Step-by-step explanation:

on edge

User Wrgrs
by
7.2k points
6 votes
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
=
(120.36)/(246.47) X 100
= 48.83 %
User Zhile Zou
by
6.7k points
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