Molarity Quiz

What is the molarity of 1.2 moles of CaCO₃ in 1.22 L of solution?

• 0.98 M

• 9.8 M

• 5.11 M

• 0.16 M

What is the molarity of 0.8 moles of Mg(CH₃COO)₂ in 5 L of solution?

• 0.16 M

• 5.8 M

• 0.98 M

• 5.11 M

Tags

NGSS.HS-PS1-5

What two variables are used to calculate Molarity?

• moles and liters

• moles and milliliters

• grams and liters

• grams and milliliters

How many grams of K₂CO₃ are needed to make 200 mL of a 2.5 M solution? (Hint MM of K₂CO₃= 138.204 g/mol)

• 69102 g

• 69.102 g

• 0.5 g

• 500 g

What are the units for Molarity?

• n

• m

• M

• N

Tags

NGSS.HS-PS1-5

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?

• 1074 mol
• 0.069 mol
• 1.07 mol
• 62.7 mol

0.60 moles of potassium nitrate is dissolved

in 400 milliliters of solution. Calculate the molarity of the solution.

• 1 M

• 2.5 M

• 1.5 M

• .0025 M

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?

• 1074 mol
• 0.069 mol
• 1.07 mol
• 62.7 mol

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

• 3.18 L
• 0.31 L
• 3.85 L
• 4.6 L

How many moles are in 25 grams of sodium chloride (NaCl)?

• 0.43 mol

• 2.32 mol

• 83.4 mol

• 25 mol