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1. The mole fraction of an aqueous solution of lithium sulfate is 0.297. Calculate the molarity...

1. The mole fraction of an aqueous solution of lithium sulfate is 0.297. Calculate the molarity (in mol/L) of the lithium sulfate solution, if the density of the solution is 1.39 g mL-1.

2. Determine the mole fraction of potassium permanganate in a 6.65 M aqueous solution of potassium permanganate. The density of the solution is 1.39 g mL-1.

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