Molarity and Solubility

Solubility refers to the ____ of solute that can dissolve in a certain volume or mass of solvent, at a certain temperature.

• Volume
• Proportion
• Mass
• Particles

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

Tags

NGSS.MS-PS1-4

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

Tags

NGSS.HS-PS1-5

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.HS-PS1-5

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

Tags

NGSS.HS-PS1-5

which is supersaturated at 60 g and 60 degrees Celsius

• KCLO₃
• KNO₃
• NaCl
• NaNO₃

How many grams of SO₂ can dissolve at 50 ⁰C?

• 5 g
• 10 g
• 20 g
• 39 g

Tags

NGSS.HS-PS1-5

In general as temperature decreases, the solubility...

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS1-4

When no more sugar will dissolve in a glass of water, the solution is

• unsaturated
• saturated
• supersaturated
• suspended

What is the molarity of 200 mL of solution in which 2.0 moles of sodium bromide is dissolved?

• 2.0 M
• 10 M
• 0.40 M
• 4.0 M