Free Printable Percent Concentration of Solutions

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Percent Concentration of Solutions

Total questions: 15

Worksheet time: 15mins

Name

Class

Date

What is the perecent by mass of a solution that contains 12.0 g of solute per 200.0 g solution?

5.6 %

6 %

2.4 %

How do we compute for percentage by volume?

volume of solute divided by volume of solution then multiply by one hundred percent

volume of solution divided by volume of solute then multiply by one hundred percent

add volume of solute and solvent then multiply by one hundred percent

What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?

400 g

25 g

0.25 g

What is the mass percent of 125 grams of fructose dissolved in 375 ml of water?

25.0%

5.5%

250%

Calculate the mass % concentration of 38.5 aqueous solution that contains 1.96 g of Nabr.

5.2%

5.09%

509%

What is the percentage concentration in the following solution given 2g sucrose in 80g water?

2.4%

2.5%

4.0%

97.6%

What is the percent by mass concentration of a solution that contains 6.0g of sugar dissolved in 20.7g of water?

21.21%

22.21%

22.47%

22.74%

A solution is prepared by mixing a 20g of sodium chloride in 80g of water. What are the concentrations of the solute and solvent in % by mass?

Solute: 10% ; Solvent: 90%

Solute: 20% ; Solvent: 80%

Solute: 30% ; Solvent: 70%

Solute: 40% ; Solvent: 60%

A solution of benzene and toluene was prepared by adding toluene to benzene until the total volume becomes 135mL. By volume, the solution is 30.0% benzene. How much benzene, in mL, is in the solution?

39.5mL of benzene

40.5mL of benzene

41.5mL of benzene

42.5mL of benzene

10.

What is the percent by mass of a solution that contains 15.0 g of solute per 250.0 g solution?

5.0%

6.0%

7.5%

8.0%

11.

How do we compute for percentage by mass?

mass of solute divided by mass of solution then multiply by one hundred percent

mass of solution divided by mass of solute then multiply by one hundred percent

add mass of solute and solvent then multiply by one hundred percent

mass of solute divided by mass of solvent then multiply by one hundred percent

12.

What mass of water should be added to 30.0 g of NaCl to make a 10.0% by mass solution?

270 g

300 g

30 g

3 g

13.

What is the mass percent of 50 grams of glucose dissolved in 450 ml of water?

10.0%

11.1%

12.5%

15.0%

14.

Calculate the mass % concentration of a solution that contains 5.0 g of KBr in 95.0 g of water.

5.0%

5.26%

5.56%

6.0%

15.

What is the percentage concentration in the following solution given 10g salt in 90g water?