Understanding Solubility Curves

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

• 60 g

• 50 g

• 40 g

• 30 g

How can you determine if a solution is saturated using a solubility curve?

• If the point is below the curve

• If the point is on the curve

• If the point is to the right of the curve

• If the point is above the curve

If 20 g of NaCl is dissolved in 100 ml of water at 50°C, how much more NaCl is needed to saturate the solution?

• 21 g

• 20 g

• 18 g

• 19 g

If 145 g of potassium iodide is dissolved in 100 g of water at 10°C, the solution is:

• Supersaturated

• Unsaturated

• Saturated

• Dilute

At what temperature do the solubilities of KNO3 and HCl become equal?

• 50°C

• 45°C

• 39°C

• 35°C

Which salt is least soluble at 50°C?

• KCl

• NaCl

• NH4Cl

• Cs2SO4

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

• Supersaturated

• Saturated

• Dilute

• Unsaturated

When 30 g of potassium nitrate is dissolved in 100 g of water at 20°C, the solution is:

• Supersaturated

• Unsaturated

• Saturated

• Dilute

What happens to the solubility of cesium sulfate as the temperature increases?

• It fluctuates

• It remains constant

• It decreases

• It increases

Which salt decreases in solubility as the temperature increases?

• KCl

• NaCl

• Cs2SO4

• NH4Cl