Chapter 12 Test (Solutions)

What is the unit for molarity?

• mass/liters
• moles
• liters
• moles/liter

Which of the following is not a way to increase the rate of dissolving

• evaporation
• stirring 
• increasing temperature
• using a smaller particle size

Tags

NGSS.HS-PS1-5

A saturated solution is one that....

• contains the maximum amount of dissolved solute.
• contains less solute than a saturated solution.
• contains more solute than a saturated solution.
• is the amount of a substance required to form a saturated solution.

Tags

NGSS.HS-ESS2-5

Which of the following are considered to be heterogeneous mixtures?

• Colloid
• Solution
• Suspension
• Both Orange and Blue are right

What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?

• 0.018 M
• 0.018 mol
• 1.052 M
• 1.052 mol

A measure of the amount of solute in a given amount of solvent or solution is...

• saturated
• solubility
• concentration
• miscible

Tags

NGSS.HS-PS1-5

A supersaturated solution is one that....

• contains the maximum amount of dissolved solute.
• contains less solute than a saturated solution.
• contains more solute than a saturated solution.
• is the amount of a substance required to form a saturated solution.

What is a "homogeneous mixture of two or more substances in a single phase"?

• Solution
• Solvent
• Solute
• Compound

Which of the following are considered to be a homogeneous mixture?

• Colloid
• Solution
• Suspension
• All Mixtures

An electrolyte is...

• The rapid, random movement of particles in colloidal dispersion.
• A substance that dissolves in water and conducts electric current.
• A substance that dissolves in water and does not conduct electric current.
• The solution process when water is the solvent.