Solutions review

How many grams of KCl can be dissolved in 100g of water at a temperature of 80.0^oC?

• 40g

• 50g

• 65g

• 100g

How many grams of NaSO₄ would be dissolved in 1.5 L of a 0.24M solution of NaSO₄?

• 0.36g

• 142g

• 51g

• 6.3g

A solution contains 2.6g CuSO₄ per 400ml of solution. Calculate the molarity.

• 0.4M

• 0.04M

• 0.007M

• 6.5M

Water is a polar solvent, while hexane is a nonpolar solvent.

Which of the examples illustrates a nonpolar solute in a polar solvent?

• CO(NH₂)₂, urea

• C₂H₅OH, ethanol

• C₁₀H₈, naphthalene

• NH₄Cl, ammonium chloride

Every solution is composed of a solvent and at least one ________.

• acid

• solvent

• solute

• gas

The higher the pressure the more ________ can be dissolved in water.

• gas

• solid

• liquid

• solid, liquid or gas

More solute will dissolve if it ___________.

• has less surface area.

• is crushed into a fine powder.

• melted before put into a solution.

• left in a large clump.

The molarity of a solution is 0.44 M. The volume of solution is 3400 mL. Moles of solute?

• 1.5 moles

• 0.2 mole

• 0.5 mole

• 2.4 moles

What is the percent by mass of a solution when 18 g of KNO₃ is dissolved in 150 g of water?

• 10.7%

• 11.8%

• 22.5%

• 33.7%

A physical property which depends upon the number of the particles not the type of particle.

• colligative property

• aqueous property

• solutions property

• concentration property