A magnesium sulfate heptahydrate solution,which is 18.00% by weight in the anhydrous compound,has a density at 20 °C of 1.20 g/mL.What is the molarity of the anhydrous compound in the solution? (Atomic masses in au: H = 1.0,O = 16.0,S = 32.1,Mg = 24.3)
A)5.54 M
B)1.79 M
C)1.82 M
D)1.25 M
E)1.49 M

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The Answer of A magnesium sulfate heptahydrate solution,which is 18.00% by weight in the anhydrous compound,has a density at 20 °C of 1.20 g/mL.What is the molarity of the anhydrous compound in the solution? (Atomic masses in au: H = 1.0,O = 16.0,S = 32.1,Mg = 24.3)
A)5.54 M
B)1.79 M
C)1.82 M
D)1.25 M
E)1.49 M

A Magnesium Sulfate Heptahydrate Solution,which Is 18