unit 11: solutions

 What part of a solution is dissolved when a solution is mixed?

• A solid

• a liquid

• solvent

• solute

Which of the following will dissolve most slowly?

• large salt crystals in unstirred water

•  large salt crystals in stirred water

• small salt crystals in stirred water

Which type of solution contains the maximum amount of solute for the given temperature?

•  an unsaturated solution 

•  saturated solution

• a supersaturated solution

• a dilute solution 

Which dissolves most easily in water?

• Baking soda powder

• Candle wax

• Silver metal

• Baking oil

he expression "like dissolves like" refers to which property of molecules?

• mass of the molecule

• size of the molecule

• temperature of the molecule

• polarity of the molecule

 Any substance that does NOT conduct electricity when in solution is called a(n)

• nonelectrolyte

• electrolyte

• conductor

• semiconductor

Which of the following would increase the rate of dissolving of a solid in a solution?

• cool the liquid and the solution

• cool only the solid

• stir the solid and the solution

What units are used to describe the solubility of a substance in a given solution?

• grams of solvent

• grams of solute

• grams of solute per Liters of solvent

•  grams of solvent per gram of solute

Any molecule that is positively charged on one side and negatively charged on the other is -

• polar

• nonpolar

• lipid

• molecular

When a solution has a small amount of solute dissolved into a large amount of solvent, the solution is -

• concentrated

• diluted

• supersaturated

• saturated