Exploring Solubility Curves and Their Applications

What is the maximum amount of KCl that can dissolve in 100 ml of water at 40°C?

• Approximately 55g

• Approximately 40g

• Approximately 60g

• Approximately 20g

At what temperature was the solubility of KCl determined to be about 55g in 100 ml of water?

• 40°C

• 50°C

• 100°C

• 90°C

What type of solution is formed when a point falls directly on the solubility curve?

• Unsaturated

• Supersaturated

• Saturated

• Diluted

How much more NaCl is needed to saturate 100g of water at 50°C if 20g has already been added?

• 22g

• 20g

• 18g

• 19g

At what temperature do KN3 and HCl have the same solubility?

• 39°C

• 40°C

• 50°C

• 90°C

Which salt is least soluble at 50°C?

• Potassium Chloride

• Ammonium Chloride

• Cesium Sulfate

• Potassium Iodide

When 50g of potassium chloride is dissolved in 100g of water at 50°C, the solution is:

• Supersaturated

• Saturated

• Diluted

• Unsaturated

What describes a solution when 30g of potassium nitrate is dissolved in 100g of water at 20°C?

• Diluted

• Supersaturated

• Saturated

• Unsaturated

Which salt is least soluble at 0°C?

• Ammonium Chloride

• Cesium Sulfate

• Potassium Iodide

• Potassium Chlorate

Which salt's solubility decreases as temperature increases?

• Ammonium Chloride

• Potassium Iodide

• Potassium Chlorate

• Cesium Sulfate