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According to Raoult's law, which statement is false? a. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. b. The solubility of a gas increases as the temperature decreases. c. The vapor pressure of a solvent over a...

What is the molarity of a solution of 10% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass? The density of the solution is 1.10 g/mL.

The solubility of the oxidizing agent potassium permanganate is 7.1 g per 100.0 g of water at 25° C. What is the mole fraction of potassium permanganate (KMn04) in this saturated solution? What is the molality of the potassium permanganate solution?

quick question, if concentrate nitric acid is listed as 70% w./w. what's the other 30 percent of the concentrated HNO3 solution?