Solutions Chemistry #3

Solutions that conduct a current are called ____________ and are made from ___________ compounds.

• electrolytes; ionic

• nonelectrolytes; ionic

• electrolytes; molecular

• electrolytes; covalent

Tags

NGSS.HS-PS1-3

Oil molecules are nonpolar. What kind of solvent is required to remove an oil stain?

• saturated
• unsaturated
• polar
• nonpolar

True or false:

Dissolved particles will pass through a piece of filter paper.

• True

• False

Which of the following is NOT a solution?

• the air you breathe

• carbonated soda

• nail polish mixed with acetone

• milk

Which of the following has the MOST surface area?

• A single 5 gram ice cube

• 5 grams of crushed ice

• 5 grams of shaved ice

You begin with a solution of 400 grams of potassium chloride dissolved in 1250 mL of water. If the volume of water is increased by 33%, what is the final molarity of the solution?

• 3.2 M

• 4.3 M

• 5400 M

• 5.4 M

If 400 mL of a 8.0 M solution is diluted to a molarity of 5.3M, about how much solvent volume was added?

• 200 mL

• 600 mL

• 400 mL

• 180 mL

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

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.

The ___ is the thing being dissolved.

• solute
• solvent
• mixture
• suspension