Solubility of Solutions

What is unsaturated?

• A solution with more solute than solvent
• A solution with less than the maximum amount of solutes 
• A solution with the  perfect balance of solutes and solvents
• A solution with solids at the bottom

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

Which solute is the most soluble at 10 ⁰C?

• KI
• KClO₃
• NH₄Cl
• NH₃

Which solute is the least soluble at 90 ⁰C?

• SO₂
• KClO₃
• KI
• HCl

Which solute does not increase in solubility as temperature rises?

• NH₃
• NaNO₃
• KNO₃
• NaCl

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

When 20 grams of KNO₃ is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

Tags

NGSS.MS-PS1-2

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• unsaturated
• saturated

which is supersaturated at 60 g and 60 degrees Celsius

• KCLO₃
• KNO₃
• NaCl
• NaNO₃

Tags

NGSS.HS-PS3-4

Graph that shows the amount of solute that can be dissolved in 100 g of water at a certain temperature.

• Solubility curve
• Saturation curve
• Concentration curve
• Molarity curve