Explain the molality of the anhydrous compound

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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 molality of the anhydrous compound in the solution? (Atomic weights: H = 1.0, O = 16.0, S = 32.1, Mg = 24.3)

Reference no: EM13534287

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