Column A

Question

1.
What is the solubility of CuSO4 (pink line) at 20 °C?

:
What is the solubility of CuSO4 (pink line) at 20 °C?

2.
What is the solubility of Glucose (red line) at 30 °C?

:
m
What is the solubility of Glucose (red line) at 30 °C?

3.
What is the solubility of KBr (blue line) at 50 °C?

:
k
What is the solubility of KBr (blue line) at 50 °C?

4.
What is the solubility of NaNO3 (purple line) at 80 °C?

:
n
What is the solubility of NaNO3 (purple line) at 80 °C?

Column B
a.
37 grams/100 mL of water

b.
99 grams/100 mL of water

c.
8 grams/100 mL of water

d.
71 grams/100 mL of water

e.
21 grams/100 mL of water

f.
52 grams/100 mL of water

g.
15 grams/100 mL of water

h.
104 grams/100 mL of water

i.
65 grams/100 mL of water

j.
140 grams/100 mL of water

k.
80 grams/100 mL of water

l.
116 grams/100 mL of water

m.
124 grams/100 mL of water

n.
150 grams/100 mL of water

o.
49 grams/100 mL of water

Answer 1

Based on the provided questions about the solubility of different substances at various temperatures, here are the matched responses:

1. What is the solubility of CuSO4 (pink line) at 20 °C?

   • Answer: e. 21 grams/100 mL of water

2. What is the solubility of Glucose (red line) at 30 °C?

   • Answer: m. 124 grams/100 mL of water

3. What is the solubility of KBr (blue line) at 50 °C?

   • Answer: j. 140 grams/100 mL of water

4. What is the solubility of NaNO3 (purple line) at 80 °C?

   • Answer: n. 150 grams/100 mL of water

This matching provides the solubility values for the specified substances at the given temperatures.