Molarity Quiz

A mixture that has no visible boundaries among its components is a ____________.

A smaller quantity of a substance, which is dissolved in a larger quantity of another, is a ______________.

A larger quantity substance, which a solute is dissolved in, is a ___________.

What is the solvent in aqueous solutions?

• sodium hydroxide

• water

• hydrochloric acid

• oxygen

A ____________ electrolyte dissociates partially.

A ____________ electrolyte dissociates completely.

How many moles of each ion are found in a solution of 5.00 moles of ammonium sulfate dissolved in water?

• 5.00 moles NH₄⁺ and 10.0 moles SO₄^2-

• 5.00 moles NH₄⁺ and 5.00 moles SO₄^2-

• 10.0 moles NH₄⁺ and 5.00 moles SO₄^2-

• 15.0 moles NH₄⁺ and 5.00 moles SO₄^2-

How many moles of NO₃^- are in a solution made by dissolving 7.42 x 10²² molecules of copper (II) nitrate in water?

• 0.246 moles

• 0.123 moles

• 0.369 moles

• 2.00 moles

What is the formula for molarity?

Calculate the molarity of a solution made when 6.97 g of KI is dissolved in enough water to give a total volume of 100 mL.

• 0.137 M

• 0.420 M

• 1.44 M

• 0.07 M