Molarity Calculations Worksheet – Practice #1

Calculate the molarity of a solution if there are 1.3 mol of NaCl in 2.0 L of solution.

• 0.65 M

• 2.6 M

• 1.5 M

• 0.85 M

How many moles of sucrose (C₁₂H₂₂O₁₁) would be in 8.5 L of a 1.3 M solution of sucrose?

• 9.05 moles

• 6.5 Moles

• 11.05 moles

• 0.15 moles

Tags

NGSS.HS-PS1-7

How many liters of a 0.325 M solution of KI are needed to contain 0.905 moles of KI?

• 0.294 L

• 2.785 L

• 0.359 L

• 0.539 L

Tags

NGSS.HS-PS1-7

How many grams of CaF₂ are present in 1.15 L of a 0.15 M solution of CaF₂? (hint: use your foldable to convert moles to grams after calculating moles)

• 0.17 g

• 7.67 g

• 0.13 g

• 17.57 g

Tags

NGSS.HS-PS1-7

1. What is the molarity of a solution that is made by adding 57.3 g of MgO to 0.5 L of solution?

• 2.8 M

• 114.6 M

• 28.6 M

• 1.14 M

1. How many Liters of a 0.63 M solution would contain 42 g of Al(NO₃)₃?

(hint: use foldable to convert grams to moles)

• 26.46 L

• 66.67 L

• 36.46 L

• 0.31 L

What mass of Ba₃(PO₄)₂ is contained in 1575 mL of a 0.45 M solution of Ba₃(PO₄)₂?

(hint: remember to convert to liters 1st then use your foldable to convert moles calculated to mass/grams)

• 708.75 g

• 426.62 g

• 3500 g

• 35.00 g

Tags

NGSS.HS-PS1-7

Molarity is ...

• grams of solute/deciliters of solvent.

• grams of solute/liters of solution.

• moles of solute/liters of solution.

• moles of solute/milliliters of solvent.

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

What is the molarity of a NaCl solution when 11 moles are dissolved in 33 L?

• 3.63

• 36.3 M

• 0.3 M

• 3.3 M