Particles
Which measure of concentration is used most commonly by chemists?
molarity
Percent by mass is a measure of a solution’s __________.
concentration
Identify the solute(s) in the atmosphere.
both A and B
Colligative properties depend on which of the following?
the concentration of dissolved particles
contains large particles that will settle out
suspension
Solvation involves __________ of energy.
both the absorption and release
Identify the solvent(s) in a glass of lemonade.
water
For a given solution, a solute at its maximum limit of solubility indicates that the solution is __________.
saturated
contains small particles that are uniformly distributed throughout
solution
Which of the following factors does not affect the solubility of a salt in a liquid?
a. temperature
b. pressure
c. polarity
d. All the above factors affect the solubility of a salt.
b. pressure
Hydration is a specific kind of __________.
solvation
Which of the following terms describes a solution with the maximum amount of solute that the solution can normally hold at that temperature?
saturated
contains particles that are too large to dissolve but too small to settle out
colloid
Stirring increases the __________ of a salt in water.
rate of dissolving
The term dilute describes a solution with __________ amount of solute.
a relatively low
A solution that is able to hold more solute at its given temperature is a(n) __________ solution.
unsaturated
You are preparing a 15 percent-by-mass solution of sodium hydroxide. If you intend to have 100 g of the solution, how much sodium hydroxide will you need?
15 g
What happens to a solution’s freezing point as the concentration of solute increases?
The freezing point decreases.
Solvation involves __________ of energy.
both the absorption and release
Is it possible to create a supersaturated solution of tea and sugar from a saturated solution of tea and sugar? Explain.
Yes. A supersaturated solution can be formed by increasing the temperature of the tea, adding more sugar, and then carefully cooling the tea.