Molarity Worksheet

Question 1

A solution contains 0.30 mol of solute in 0.50 L of solution. What is its molarity?

1. 0.15 M
2. 0.60 M
3. 1.7 M
4. 6.0 M

Question 2

A 250. mL solution contains 0.125 mol of solute. Calculate its molarity and show the volume conversion.

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Question 3

How many moles of dissolved solute are present in 2.00 L of a 0.150 M solution? Show your setup.

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Question 4

Which quantity belongs in the denominator when calculating the molarity of dissolved glucose?

1. The mass of the glucose
2. The mass of the water used
3. The volume of water added before mixing
4. The final volume of the solution

Question 5

Which standard has the greatest glucose molarity?

1. A
2. B
3. C
4. All three have the same molarity.

Question 6

Show that standards A and C have the same molarity even though they contain different amounts of glucose.

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Question 7

A 0.100 L portion of well-mixed standard B is poured into a clean container. What is its glucose molarity?

1. 0.0300 M
2. 0.150 M
3. 0.300 M
4. 1.50 M

Question 8

Equal-volume portions are taken from A and B. Which portion contains more moles of glucose? Explain using concentration.

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