Solutions and Solubility Quiz

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams
• 75 grams
• 40 grams
• 12 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which solute is the most soluble at 10 ⁰C?

• KI
• KClO₃
• NH₄Cl
• NH₃

Tags

NGSS.MS-PS1-4

Which of these solutes does not increase in solubility as temperature rises?

• NH₃
• NaNO₃
• KNO₃
• NaCl

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When 42 grams of potassium chloride, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

Tags

NGSS.MS-PS1-4

Rate of dissolving can be increased by:

• Agitation or mixing the substance.
• Increasing temperature.
• Increasing surface area.
• All of the above.

Which solute is MOST likely a gas?

• KNO₃

• NaNO₃

• KCl

• Ce₂(SO₄)₃

At what temperature can you fully dissolve 140g of NaNO₃?

• 62

• 73

• 81

• You cannot determine this