Week 3 Assignment: Solutions and Solubility Curves

Which substance's solubility changes the most from 0 degrees Celsius to 100 degrees Celsius?

• NH₃

• NaCl

• KI

• KNO₃

Which substance's solubility changes the least from 0 C to 100 C?

• SO₂

• NaCl

• KI

• HCl

Tags

NGSS.HS-PS1-5

Which substance is most soluble at 20 degrees Celsius?

• NH₃

• HCl

• NaNO₃

• KI

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

At which temperature (in degrees Celsius) does NH₃ and KClO₃ have the same solubility?

• 57

• 47

• 37

• 27

Tags

NGSS.HS-PS3-4

What is the solubility of SO₂ at 20 degrees Celsius?

• 10 g

• 4 g

• 40 g

• 100 g

Tags

NGSS.MS-PS1-2

At what temperature (in degrees Celsius) does KNO₃ have a solubility of 85 g/100 g H₂O?

• 20

• 30

• 40

• 50

You have a solution of NaNO₃ containing 100 grams at 75 degrees Celsius. Your solution is...

• saturated

• unsaturated

• supersaturated

• saturdated

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

The substance(s) being dissolved is called the ____________

• solution

• solvent

• solute

• solvation

When no more solute dissolves, the solution is ________

• saturated

• unsaturated

• supersaturated

• warm

Air is a _______________

• Compound

• Element

• Heterogeneous Mixture

• Solution

Tags

NGSS.MS-ESS2-5