wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Mixtures and Solutions I-Check: Saturation and Concentration

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Dominick made a solution using 15 g of NaCl in 150 mL of H2O. What should Dominick add to his original solution to make a solution twice as concentrated?

a)

5 g NaCl

b)

15 g NaCl

c)

100 mL H2O

d)

150 mL H2O

2.

Dominick made a solution using 15 g of NaCl in 150 mL of H2O. What should Dominick add to his original solution to make a solution that is half as concentrated?

a)

5 g NaCl

b)

15 g NaCl

c)

100 mL H2O

d)

150 mL H2O

3.

Charlie, Veruca, and Augustus each used 10 mL C6H8O7 to make solutions. Charlie made his solution using 1500 mL H2O, Veruca used 500 mL H2O, and Augustus used 1000 mL H2O. Whose solution is the most concentrated?

a)

Charlie's

b)

Veruca's

c)

Augustus's

4.

Charlie, Veruca, and Augustus each used 10 mL C6H8O7 to make solutions. Charlie made his solution using 1500 mL H2O, Veruca used 500 mL H2O, and Augustus used 1000 mL H2O. Whose solution is the least concentrated?

a)

Charlie's

b)

Veruca's

c)

Augustus's

5.

The concentration of a solution ____ with each addition of solute.

a)

increases

b)

decreases

c)

remains the same

6.

True or False: The concentration of a solution does not change after it reaches saturation, no matter how much solute is added.

a)

True

b)

False

7.

True or False: All mixtures are solutions but not all solutions are mixtures.

a)

True

b)

False

8.

Solution A is made with 10 mL C6H8O7 and 50 mL of H2O. Solution B is made with 20 mL C6H8O7 and 100 mL H2O. The two solutions have ____ concentrations and the masses of equal volumes of the two solutions would be ____.

a)

the same; the same

b)

different; different

c)

the same; different

d)

different; the same

9.

Solubility is the amount of ____ that will dissolve in a given amount of ____.

a)

solvent; solute

b)

solute; solvent

c)

solution; saturation

d)

saturation; solvent

10.

Mr. Bowens's class OG Pugs found that 20 mL of a solute would saturate 50 mL H2O. 5 mL of the solute has a mass of 6 g. What is the mass of the saturated solution?

a)

6 g

b)

24 g

c)

50 g

d)

74 g

11.

Olivia made a pitcher of Koolaid. She added so much powder that some of the powder still remained at the bottom no matter how much she stirred. What could Olivia do to get the remaining Koolaid powder to dissolve?

a)

Add more H2O

b)

Remove some H2O

c)

Get a mixer

d)

Put the solution in the freezer

12.

When a solid material dissolves in a liquid to form a solution, the solid material is called the ____.

a)

solvent

b)

solute

c)

mixture

d)

property

13.

JoMarcus used a paper filter to separate a solid from a solution. Why did the solid stay in the filter while the solution went through?

a)

The particles of the solid are too big to go through the holes in the paper filter.

b)

The particles of the solid are too small to go through the holes in the paper filter.

14.

True or False: Undissolved solid at the bottom of a bottle is evidence that a solution is saturated.

a)

True

b)

False

15.

Violet satured 150 mL H2O with MgSO4. Then she realized that she had lost track of how much MgSO4 she had used. Which of the steps could Violet use to find out how many grams of MgSO4 she used to saturate the H2O?

a)

Filter the saturated solution to remove the undissolved MgSO4

b)

Find the mass of the solution

c)

Subtract 150 g

d)

All of these steps