Free Printable concentration

Worksheets

concentration

Total questions: 20

Worksheet time: 1hrs 7mins

Name

Class

Date

How many moles of citric acid are in 100.0 mL of a 0.35 M solution?

0.35

0.035

286

How many moles of sodium chloride are in 25.0 mL of a 5.00 M solution?0

125 moles

5.00 moles

0.200 moles

0.125 moles

What is the molarity of a 0.500 L solution containing 125.0 g of magnesium sulfate (MgSO₄)?

1.04 M

2.08 M

2.25 M

4.50 M

What is the molarity of a 1.25 L solution containing 95 g of glucose (C₆H₁₂O₆)

0.53 M

0.42 M

76 M

1.06 M

What the is the volume of a 0.25 M solution containing 0.050 moles of solute?

0.20 L

0.0125 L

5.0 L

2.5 M

What is the volume of a 3.0 M solution containing 0.25 moles of solute?

12 L

83 mL

83 L

0.12 L

What is the molarity of a 0.30 liter solution containing 0.50 moles of NaCl?

0.60 M

0.15 M

0.30 M

1.7 M

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

The ___ is the thing being dissolved

solute

solvent

10.

Which sweet tea would you expect to taste the sweetest?

3.1M

2.5M

11.

What is the formula for molarity?

moles/grams

moles/kilograms

moles/milliliters

moles/liters

12.

Molarity is measured in

moles per kg

mols per L

moles per kJ

moles per mL

13.

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

14.

What is the correct formula to solve for the Molarity of a solution that has .4 moles of HCl in 9.5 L of solution?

M = 9.5 L / .4 mol

M₁V₁=M₂V₂

M = .4 mol / 9.5 L

none of the other choices

15.

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

16.

The substance being dissolved is called the ________

solvent

solid

solute

solvate

17.

What two variables are used to calculate Molarity?

moles and liters

moles and milliliters

grams and liters

grams and milliliters

18.

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

19.

How could the molarity (concentration) of this solution be decreased?

adding more solvent (liquid)

adding more solute

removing solvent (liquid)

it cannot be changed

20.