A 2.28 L aqueous solution of KOH contains 199 g of KOH. The solution has a density of 1.29 g/mL. Calculate the molarity (?), molality (?), and mass percent concentration of the solution. molarity: 1.56 M  molality: ______ ? mass percent: ______ %

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Problem 12.96QP: A sample of aluminum sulfate 18-hydrate, Al2(SO4)3. 18H2O, containing 125.0 mg is dissolved in 1.000...
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A 2.28 L aqueous solution of KOH contains 199 g of KOH. The solution has a density of 1.29 g/mL.

Calculate the molarity (?), molality (?), and mass percent concentration of the solution.

molarity: 1.56 M 
molality: ______ ?
mass percent: ______ %
 
Someone else worked it out and it was not 1.20 m & 98.54 %
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