Exam 7: Solutions and Colloids

There is a 12 M aqueous HCl solution in the stock room, but a 6 M solution is required for an experiment. Doubling the volume of a 12 M sample with water will produce a 6 M solution.

The ability to see the scattering of light when passed through a colloid is known as

Which of the following statements relating to a solution is not correct?

What volume of ethyl alcohol is contained in 35 mL (1 oz.)of 86 proof liquor, which is 43% (v\v)alcohol?

Drinking water can be purified by which of the following methods?

Solvents and hydrated ions can usually pass though dialyzing membranes

Dialysis and osmosis are used for the same purposes.

Two solutions with concentrations of 2% sugar and 4% sugar, respectively, are separated by a semipermeable membrane. During osmosis, there is a net flow of

Ionic compounds are generally insoluble in non-polar solvents.

The more soluble a substance is, the faster it will dissolve.

A solution is prepared by adding 25.0 mL of 1.30 M AlCl₃ solution to a flask, and then adding enough water to give a final volume of 200.0 mL. What is the molarity of the solution?

When sodium acetate dissolves in water, the following reaction occurs. This solution could be used

Compared to pure water, a salt water solution will have a

Iodine, I₂, is very slightly soluble in water, a polar solvent, but quite soluble in toluene, a nonpolar solvent. What can be inferred about the nature of the I₂ molecule?

Which of the following is not considered a colligative property?

Which compound is most soluble in a polar solvent?

The vapor pressure of a pure solvent is

A solution is made by dissolving 15.0 mL of oil in enough gasoline to give 50.0 mL of solution. What is the % (v\v)of oil in the solution?

A solution is made by dissolving 5.84 grams of NaCl in enough distilled water to give a final volume of 1.00 L. What is the molarity of the solution?

A solution is prepared at 75 °C by dissolving 50.0 g of A  in 100 g of water.  When this solution is cooled to 15 °C what happens based on the following solubility plot for A.