Question
Asked Oct 28, 2019
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Determine the quantity (g) of pure MgSO4 in 2.4 g of MgSO4•7H2O. Show your work.

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Expert Answer

Step 1

Molar mass of MgSO4•7H2O = 246.47 g/mol

Molar mass of MgSO4 = 120.366 g/mol.

Step 2

Calculation of percent of MgSO4 in MgSO4&b...

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Molar mass of MgSO4 х 100 molar mass of MgSO4. 7H20 % MgS04 120.366 g/mol х 100 % MgSO4 246.47 g/mol %MgSO4 48.836%

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