Question

Potassium chloride has a solubility of 43 g of KCl in 100. g of

H

2

O at 50 °C. Determine if

each of the

following forms an unsaturated or saturated solution at 50 °C:

a.

adding 25 g of KCl to 100. g of

H

2

O

b.

adding 15 g of KCl to 25 g of

H

2

O

c.

adding 86 g of KCl to 150. g of

H

2

O

Answer 1

solution a 0.67 0.43 (6) solubility 439 0.43 If solubility > 0.43 saturatured solubilith : 25 = 0.25 0.25 <0.43 (unsaturated solution ) solubility - 12 0.6 (saturated solution ) solubility: 86 0.51 (saturated solution) 0.57) 0.43 (6)