Question

1. Which of the three solutes is the least soluble at 50°C?

2. Which of the three solutes is the least soluble at 80 °C?

3. What is the solubility of potassium chloride and copper sulfate at 75°C?​

Answer 1

Answer:

1) Which compound is least soluble at 50 ºC?, NaCl (sodium chloride)

Substance Solubility in 100g water

KCl at 75°C 50g