Unit 9 - Solutions, Acids, and Bases

What volume of a 1.03M solution can be made using 3.16 mol of NaOH?

• 3.07 L
• 4.20 L
• 3.49 L
• 9.05 L

0.450 L of 5.23 M stock solution NH₄ is diluted to make 1.58 L of solution, what is the molarity?

• 1.49 M
• 1.34 M
• 6.59 M
• 30.4 M

What ion is formed when an acid is in water?

• H3O+
• OH-
• Cl-
• pH

How many grams of NH₃ will dissolve in 50 grams of water at 90°C?

• 5 g
• 4 g
• 3 g
• 2 g

A solution is a ________ mixture. 

• heterogeneous 
• homogeneous 
• dumb 
• mixed 

This is the part of the solution that does the dissolving. 

• solute
• solvent 
• salt water 
• First Continental Congress 

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.

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.

A nonelectrolyte 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.

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

• 3
• 9
• 7
• 5