Homework # 8

C.2 page 56

1. A) 100 g
    B) 45 g

2. A) 10 g
     B) 20 g

3. A) 87.5 g KNO3
     B) at least 80 g

ISCS #1-8 (page 52)

1. Because higher tempatures dissolve the slutes more easily.

2. 50 grams (from the chart on page 54)

3.  

a) 200 grams

b) 710 grams

c) 1,892 grams

4.  

a) 20- KNO3, NaCl, KCl

b) 80- KNO3, KCl, NaCl

5. Saturated- when there is too much chemical for the water. Unsaturated- contains less disolved substance than it can hold

6. a) 30 grams
    b) supersaturated
    c) 35 grams

7. a) The crystal will dissolve into the unsaturated solution
    b) The crystals will remain undissolved at the bottom of the saturated solution
    c) Solid crystals will form and will settle to the bottom of the supersaturated solution

8. 52.5% (1.5 x 35g = 52.5%)