Solutions Test

The molarity (M) of a solution is equal to the

• number of grams of solute/liter of solvent

• number of grams of solute/liter of solution

• number of moles of solute/liter of solvent

• number of moles of solute/liter of solution

The solubility of KClO₃(s) in water increases as the

• temperature of the solution increases

• temperature of the solution decreases

• pressure on the solution increases

• pressure on the solution decreases

What is the concentration of 10.0 moles of copper (II) nitrate in 5.00 liters of solution?

• 0.050M

• 2.00M

• 5.00M

• 10.0M

When calcium chloride is dissolved in water, to which end of the adjacent water molecules will a calcium ion be attracted?

• the oxygen end, which is the negative pole

• the oxygen end, which is the positive pole

• the hydrogen end, which is the negative pole

• the hydrogen end, which is the positive pole

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

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

What are two ways to speed up the rate of dissolving sugar in water?

• Use cold water, and do not stir the solution

• Use cold water, and stir the solution

• Use hot water, and stir the solution

• Use hot water, and do not stir the solution

Solution where more solute can still be dissolved at the given temperature. 

• Saturated
• Unsaturated
• Supersaturated
• Homogeneous solution

a solute whose water solution conducts electricity is called a(n)

• nonconductor
• electrolyte
• nonelectrolyte
• aqueous solution

Which solution would be least likely to carry an electric current?

• NaCl

• HBr

• C₆H₁₂O₆

• NaOH