Answered

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

Answer :

lizzimg03

one mole of MgSO4.7H2O weighs 246.4696 g 

in that one mole are seven moles of H2O, weighing 126.1036 g 

The percentage of water is this calculation: 

(126.1036 / 246.4696) * 100 = 51.17%

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