CH7-Molarity and Solutions 2025

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)? (M = mol/L)

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

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

Tags

NGSS.HS-PS1-5

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

• supersaturated

• saturated

• unsaturated

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

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

• unsaturated solution

• saturated solution

• supersaturated solution

• all of the above

Since "like dissolves like", water and oil will not mix because

• both of them are polar

• both of them are nonpolar

• oil is most likely nonpolar and water is polar

Concentration is

• the amount of solute in the solvent

• the amount of solvent in the solute

• density

• particle size

Tags

NGSS.HS-PS1-5

Molarity is measured in _____.

• moles per g.

• moles per L.

• moles per mm.

• moles per mL.

Tags

NGSS.HS-PS1-5

What is the molarity of 3 mole of hydrochloric acid in 3 L of water. 

• 3
• 1
• 6
• 9

Tags

NGSS.HS-PS1-5

What is the molarity of 4.0 grams of sodium chloride in 3,800 mL of solution? Be sure to use correct number of significant figures.

• 0.018 M
• 0.018 mol
• 1.052 M
• 1.052 mol
• 0.0180 M