What term is given to a substance that can dissolve in a particular liquid?
Insoluble
Soluble
Solvable
In a solution, what term is given to the liquid?
Solute
Solvent
Reagent
In a solution, what term is given to the solid that has dissolved?
For most solid solutes, what happens to the solubility as the temperature increases?
Solubility increases
Solubility decreases
Solubility stays the same
Why is it important to quote solubility at a given temperature?
Some substances only dissolve at low temperatures
Some substances only dissolve at high temperatures
Solubility depends on temperature
What will happen to a hot saturated solution of copper(II) sulfate as the temperature decreases?
The solvent will evaporate
Crystals will form
It will turn colourless
Using the graph below, what is the mass of potassium nitrate that would form when 50 g of a saturated solution at 80°C was cooled to 40°C?
92 g
46 g
8 g
How do you describe the change in solubility of sodium sulfate and sodium hydrogenarsenate at temperatures above 45°C?
As temperature increases, solubility of sodium sulfate decreases and that of sodium hydrogenarsenate increases
As temperature increases, solubility of sodium sulfate decreases a little and that of sodium hydrogenarsenate increases a lot
As temperature increases, solubility of sodium sulfate decreases a lot and that of sodium hydrogenarsenate increases a lot
Which substance’s solubility changes most with temperature?
Y
Z
X
Why does the temperature scale on a solubility graph range from 0°C to 100°C?
The solute freezes below 0°C and evaporates at 100°C
Water boils at 100°C
Water solidifies at 0°C and boils at 100°C