
Concentrations of Solutions
Authored by Lisa Thompson
Science
7th Grade
NGSS covered

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the solutions above is the most dilute
A
C
E
They are all the same concentration
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which solution is more concentrated?
Solution 1
Solution 2
They have the same concentration
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What term do we use to describe a less concentrated solution?
Dilute
Volume
Aqueous
Solvent
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If 43.0 g of sodium chloride is dissolved in 500 g of Acetic acid, what is the percent by mass of NaCl?
7.90 %
8.60 %
11.6 %
92.1 %
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which solution is more concentrated?
Solution 1:
500 mL of water
100 g of salt
Solution 2:
500 mL of water
90 g of salt
Solution 1
Solution 2
They have the same concentration
I have no idea
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which solution is more concentrated?
20 g salt in 50 milliliters of water
40 g salt in 50 milliliters of water
30 g salt in 50 milliliters of water
10 g salt in 50 milliliters of water
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What increases when one adds more solute or removes some of the solvent.
Colloid
Mixture
Concentration
Suspension
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