Free Printable Molarity Worksheet

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Molarity Worksheet

Total questions: 19

Worksheet time: 5hrs 31mins

Name

Class

Date

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

0.8 M

1.5M

3.0M

6.0M

Which of the following substances is a heterogeneous substance?

baby oil

rocky road ice cream

salt water

milk

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

lowering the temperature of the solvent

stirring the solute in the solution

increasing the pressure on the solution

increasing the particle size of the solute

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

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

supersaturated

saturated

unsaturated

What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 Kg of water?

2.0 M

0.22 m

135 m

2.0m

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

air is a

compound

element

heterogeneous mixture

solution

Another name for a homogeneous mixture is

an element.

a solution.

a compound.

10.

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?

0.625 g NaCl

625 g NaCl

36.5 g NaCl

0.04 mol NaCl

11.

Which sweet tea would you expect to taste the sweetest?

3.1M

2.5M

12.

True or False? The higher the concentration of a solution the less solutes it has in it.

True

False

13.

How many grams of AgNO₃ (MM = 169.87) are needed to prepare 0.125M solution in 250 mL of water?

.03g

0.5g

5.3g

84.9g

14.

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

0.750 M

99 M

1.3 M

2.0 M

15.

How many moles are needed to make 2.5 L of a 3.8 M solution?

9.5 mol

0.66 mol

1.5 mol

15 mol

16.

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation? P₄O₁₀ + 6 H₂O --> 4 H₃PO₄

6:4

4:6

1:3

3:1

17.

How many moles are required to prepare 300.00 ml of a solution with a concentration of 0.50 M?

0.15 mol

150000 mol

1.67 mol

1.67x10^-6

18.

How many moles would be in 85mL of 0.75M KOH?

113.3 mol

1.13 mol

.113mol

0.06375mol

63.75mol

19.

How many grams of Silver chloride form if 20 ml of a 50 M solution of Silver nitrate react with unlimited Sodium chloride?

358300 grams

2.79 grams

143.32 grams

57328 grams

100 %

Molarity Worksheet

Total questions: 19

Worksheet time: 5hrs 31mins

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