You have prepared a saturated solution of x at 20∘c using 39.0 g of water. how much more solute can be dissolved if the temperature is increased to 30∘c? express your answer with the appropriate units.

The following table gives the solubility of solute X in water at two different temperatures:

Temperature

(∘C) Solubility

(g/100 g H2O)

20 11.0

30 23.0

Question

Chemistry

Yasmin Burnett

29 March, 13:17

You have prepared a saturated solution of x at 20∘c using 39.0 g of water. how much more solute can be dissolved if the temperature is increased to 30∘c? express your answer with the appropriate units.

The following table gives the solubility of solute X in water at two different temperatures:

Temperature

(∘C) Solubility

(g/100 g H2O)

20 11.0

30 23.0

+2

Answers (1)

Know the Answer?

Leticia Lam · Answer 1

for 39g water solute dissolved at 20C = solubility (g / 100 g H2O) * mass of water = (11g / 100g H2O) * 39g H2O = 4.29 g

amount of solute dissolved at 30 C =

= 23 / 100 * 39 = 8.97 g

Amount of extra solute dissolved = 8.97 - 4.29 = 4.7 g