Test REVIEW: Liquids/Solutions/Molarity

What is the molarity of a 0.5L sample of a solution that contains 120.0 g of sodium hydroxide (NaOH)

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

• lowering the temperature of the solvent

• stirring the solute in the solution

• increasing the pressure on the solution

• increasing the particle size of the solute

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following is the correct formula for calculating molarity?

• moles/liters of solution

• moles/kg of solvent

• # particles/Avogadro's #

• theoretical yield/actual yield

Which of the following types of solutions has more room to dissolve solute?

• supersaturated

• saturated

• unsaturated

To calculate molality you only need which of the following?

• scale

• flask

What is the molality of a solution in which 6.0 moles of NaCl is dissolved in 1.5 Kg of water?

• 2.0 m

• 4.0M

• 135 m

• 4.0m

If water is a polar molecule, then which of the following must be nonpolar

• sugar

• salt

• oil

• juice

Which of the following will produce crystals if cooled or disturbed?

• unsaturated solution

• saturated solution

• supersaturated solution

• all of the above

Tags

NGSS.MS-PS1-4

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

When no more solute dissolves the solution is _________

• supersaturated

• unsaturated

• saturated

• supercalifragilisticexpialidocious