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29 January, 12:35

What is the percent of MgSO4 in magnesium sulfate heptahydrate?

48.83 %

51.17 %

95.43 %

86.98 %

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Answers (1)
  1. 29 January, 14:12
    0
    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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