Unit Test — Unit test Answers

Which of these factors will cause a solid solute to dissolve faster?

Which statement accurately describes part of the dissolving process of a polar solute in water?

Which statement best describes the process of making a solution by diluting a stock solution?

A 150 mL sample of hydrochloric acid (HCl) completely reacted with 60.0 mL of a 0.100 M NaOH solution. The equation for the reaction is given below.HCl + NaOH NaCl + H2OWhat was the original concentration of the HCl solution?

Brownian motion is not observed in a mixture that includes two phases. Which best identifies the mixture?

A solution contains 90 mL of methanol, 18 mL of propanol, and 2 mL of diethyl ether. Which is the solvent in this solution?

Which is an example of a nonaqueous solution?

A can of soda contains many ingredients, including vanilla, caffeine, sugar, and water. Which ingredient is the solvent?

The graph below shows how solubility changes with temperature.How many grams of NaCl will be needed to form 600 mL of a saturated solution at 100°C?

A chemist dilutes a 1.0 mL sample of 2.0 M KNO3 by adding water to it. If the concentration of the solution that is obtained is 0.0080 M, what is its volume?Use .

Which factor influences both solubility and the rate of dissolution?

The molar mass of KCl is 74.55 g/mol. If 8.45 g KCl are dissolved in 0.750 L of solution, what is the molarity of the solution?Use .