Solutions Test Scott

Compared to pure water, a NaCl solution would have a:

• higher boiling point and higher freezing point

• lower boiling point and lower freezing point

• higher boiling point and lower freezing point

• lower boiling point and higher freezing point

When making Kool-Aid, the Kool-Aid powder would be the _________ and the water would be the ____________.

• solute; solvent

• solvent; solute

• solution; solvent

• solvent; solution

Which of the following compounds would be insoluble in water?

• NaNO₃

• K₂CO₃

• MgCO₃

• NaOH

Which of the following compounds would dissolve in water?

• CaSO₄

• NH₄NO₃

• Al2S3

• HgCl₂

How many grams of KCl would have to be used to make 0.8 liters of a 3.0 M solution?

• 2.4 grams

• 229 grams

• 177 grams

• 195 grams

Which of the following will increase the solubility of a gas?

• Decrease pressure

• Increase pressure

• Increase temperature

• Decrease temperature

At what temperature would it take 70 grams of KNO₃ to make a saturated solution in 100 grams of water?

• 134 degrees Celsius

• 53 degrees Celsius

• 70 degrees Celsius

• 85 degrees Celsius

Tags

NGSS.HS-PS1-5

What is the molarity of a solution that has 20 grams of NH₄Cl dissolved in 350 mL of solution?

• 0.057 M

• 2.4 M

• 1.1 M

• 0.001 M

What is the molarity of a solution that has 60 grams of CuCl in 2.0 L of solution?

• 0.3 M

• 3 M

• 0.45 M

• 4.5 M

What is the molarity of a solution that was made with 4.7 moles of NaOH in 8.5 L?

• 0.55 M

• 1.8 M

• 1.4 M

• 0.93 M