Molarity

Molar mass of NaOH is ______________________

• 40 grams/mol

• 50 grams/mol

• 45 grams/mol

• 38 grams/nol

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Molarity is measured in _____.

• moles per g.

• mols per L.

• moles per mm.

• moles per mL.

What are the units of molarity?

• M

• m

• Ml

• Mr

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

• 3 M

• 1 M

• 6 M

• 9 M

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ (Molar Mass = 342 g/mol) in 0.250 L of water.

Hint: grams --> moles and then calculate molarity

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

Calculate the molarity of the following solution: 1.0 mole of KCl in 750.0 mL of solution.

1000 mL = 1L

• 0.750 M

• 99 M

• 1.3 M

• 2.0 M

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 mL. What is the molarity of the solution?

• 0.10 M

• 0.40 M

• 1.25 M

• 2.33 M

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M