Molarity Practice

Calculate the molarity of the solution: 1.20 grams of hydrochloric acid in 25.0 mL of water.

• 1.32 M

• 0.0480 M

• 0.00132 M

• 0.760 M

How many grams of solute is needed to make 2.00 liters of 6.0 M HCl (hydrochloric acid)?

• 3.00 g HCl

• 12.0 g HCl

• 440 g HCl

• 0.329 g HCl

How many grams of solute is needed to make 250.0 mL of 0.750 M lithium nitrate?

• 9930 g LiNO₂

• 9.93 g LiNO₂

• 3.54 g LiNO₂

• 0.00354 g LiNO₂

Find the molarity of 186.55 g of sucrose, C₁₂H₂₂O₁₁ in 250 mL of water.

• 2.18 M

• 0.746 M

• 1.18 M

• 0.545 M

How many liters of a 0.88 M solution can be made with 25.5 grams of lithium fluoride?

• 580 L

• 1.1 L

• 0.87 L

• 29 L

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

• 3

• 1

• 6

• 9

Calculate the number of moles and the number of grams of the following solution:  1.0 L of 0.50 M NaCl.

• 2.0 mol and 120 g

• 0.50 mol and 25 g 

• 2.0 mol and 99 g

• 0.50 mol and 29 g

Tags

NGSS.HS-PS1-7

How many grams of solute are dissolved in 125.0 mL of 5.00M NaCl?

• 0.625 g NaCl

• 36.52 g NaCl

• 36.5 g NaCl

• 0.625 mol NaCl

You have 286.7g of PbO. For lab, you need 2.50M PbO. What volume of PbO can you make?

• 114.7 mL

• 554 mL

• 514 mL

• 3.21 L

Tags

NGSS.HS-PS1-7

What is the molarity of a solution made from 325.4 g of AlCl₃ with enough water to make 500.0 mL?

• 0.651 M

• 4.880 M

• 1.22 M

• 2.44 M