14. A 25.0 mL sample of concentrated H3PO4 (14.7 M) is diluted to a final volume of 750.0 mL. What is the molarity of the final solution? Group of answer choices 0.368 0.750 0.490 0.980     15. What is the molality of a solution of 100.0 g of methyl alcohol, CH3OH, in 900.0 g of water? Group of answer choices 3.47 0.347 2.81 0.281     16. A solution is prepared using 30.0 g of CCl4 and 70.0 g of C6H6. What is the mole fraction of CCl4? Group of answer choices 0.163 0.297 0.199 0.179   17. Calculate the boiling point of a solution of 3.50 g of sucrose (C12H22O11)in 20 g of water? (Kb = +0.512oC/m) Group of answer choices 100.13 100.26 100.52 99.74 99.48

What is the concentration in molarity of an aqueous solution which contains 32.41% by mass acetonitrile (MM = 41.05 g/mol)? The density of the solution is 0.8100 g/mL.

Molarity of a solution prepared by diluting 25.0mL of 0.412M Mg(NO3)2 solution to 100.0mL?

3. a. A solution contains 1.75 g of a non-volatile, non-clectrolyte solute dissolved in 23.47g stearic acid. The freezing point of the solution is 67.2°C. The freezing point of pure stearic acid is 69.3°C and its freezing point constant, Kp, is 4.5°C kg/mol. What is the molar mass of the solute? b. When a liquid is in a narrow tube, the surface of the liquid, the meniscus, may be either concave, A, or convex, B What does the shape of the meniscus tell you about the intermolecular forces of attraction between the liquid and the tube?

1. Find the mass percent of CaCl2 (110.98 g/mol) in a solution whose molarity is 1.45 M and whose density is 1.12 g/mL.   2. A 3.140 molal solution of NaCl is prepared. How many grams of NaCl (58.44 g/mol) are present in a sample containing 1.994 kg of water?

You have a solution which is 44.4% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The density of this solution is 0.905 g/mL. %3D What is the molarity of the isopropyl alcohol in the solution?

What is the molarity of a 12.0% by mass ammonium chloride aqueous solution? Density of the solution is 1.0344 g/mL

If a 24 g sample of a nonelectrolyte is dissolved in 156 g of water, the resulting solution will freeze at –1.13°C. What is the molar mass of the nonelectrolyte?

What is the concentration in molarity of an aqueous solution which contains 33.41% by mass isopropanol (MM = 60.10 g/mol)? The density of the solution is 0.8990 g/mL.

A molecule of sucrose has a molecular weight of 342 Daltons. How many grams of sucrose would be required to make one liter of a 2.5 Molar solution of sucrose?