Calculate the molarity of a 10.0% CaCl, solution. The density of the solution is 1.0835 g/cm³.

A student dissolves 15. g of ammonia (NH,) in 325. mL of a solvent with a density of 1.09 g/mL. The student notices that the volume of the solvent does not change when the ammonia dissolves in it. Calculate the molarity and molality of the student's solution. Be sure each of your answer entries has the correct number of significant digits. molarity molality

Calculate the number of moles of solute present in 55.0 mg of an aqueous solution that is 1.40 m NaCl. Assume that for dilute aqueous solutions, the mass of the solvent is the mass of solution.

An aqueous CaCl2 solution has a vapor pressure of 81.6 mmHg at 50 degrees celsius. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent?

A solution of KOH has 112 grams of KOH in 2000 grams of water. The Molality of this solution is O 230 O 28 O 4

Determine the mass percent composition of a solution made by dissolving 55.6 g of KF in 898 g of H2O.

Wine is 12% by volume ethanol (C2H5OH). What is the molarity of the solution? The density of ethanol is 0.789 g/mL

Calculate the molarity of a solution which is 17.8% K2SO4·H2O by mass and has a density of 1.26 g/mL.

The density of a solution that is 30.0 % H C l O3 is 1.167 g/mL. Calculate the molarity of the H C l O3 (molar mass is 84.46 g) solution.HINT : % H C l O3 = [mass H C l O3/mass solution] times 100% and Density = 1.167 g solution / 1 mL solution.