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.

Question

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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