NP#9 Solutions QUIZIZZ

An aqueous solution is best described as:

• a homogeneous mixture

• a homogeneous compound

• a heterogeneous mixture

• a heterogeneous compound

Which of the following changes will increase the solubility of NaCl(s) in water?

• increase the temperature of the solution

• decrease the temperature of the solution

• increase the pressure on the solution

• decrease the pressure on the solution

Gases are most soluble under conditions of:

• high temperature and low pressure

• low temperature and high pressure

• low pressure and low temperature

• high temperature and low pressure

According to Table F, which of the following substances is most soluble at 298K and 1 atm?

• AgCl

• CaCO₃

• NaPO₄

• BaSO₄

According to Table G, which substance becomes less soluble as temperature is increased?

• SO₂

• NaCl

• KNO₃

• KI

According to Table G, what is the maximum number of grams of NH₃ that will dissolve in 300 grams of water at 90°C?

• 10 g

• 20 g

• 30 g

• 40 g

Tags

NGSS.HS-PS1-5

What is the molarity of a solution that contains 300 grams of CaCO₃ dissolved in 4 Liters of solution? (GFM= 100 g/mol)

• 0.25 M

• 0.50 M

• 0.75 M

• 1.0 M

Tags

NGSS.HS-PS1-5

What is the percent by mass of NaCl in a solution that contains 20 grams of NaCl dissolved in 80 grams of water?

• 20%

• 25%

• 40%

• 60%

Compared to pure water, a solution of sodium chloride has:

• a lower boiling point and a higher freezing point

• a higher boiling point and a lower freezing point

• a lower boiling point and a lower freezing point

• a higher boiling point and a higher freezing point

Which of the following solutions would have the HIGHEST boiling point?

• 1M NaCl

• 1M NaNO₃

• 1M Na₂SO₄

• 1M Na₃PO₄