How to Read Solubility Curves

Which is more soluble at high temperatures?

• Copper sulfate

• potassium sulfate

Solubility is amount of solute dissolved in a given solvent. Solubility is a ____________

• both

• chemical property

• physical property

Does solubility increase or decrease with increase in temperature.

• always increases

• always decreases

• usually increases

On the solubility curve, what is taken on the X-axis and the Y- axis?

• Temperature on Y-axis

  amount of salt on X-axis

• Temperature on X-axis

  amount of salt on Y-axis

Can you plot it on the graph?

How much copper sulfate can be dissolved at 90 degrees?

• about 68 grams

• about 32 grams

• about 90 grams

What is the solubility of potassium sulfate at that temperature?

• 9 grams

• 18 grams

• 21 grams

A solution where no more solute is able to dissolve is called ...

• a saturated solution

• a solubility solution

• an unsaturated solution

A supersaturated solution contains _________  __________ the maximum amount able to dissolve at a given temperature.

• more than

• less than

• the same as