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WorksheetsSolutions, Acids, Bases, and pH scale
Total questions: 33
Worksheet time: 17mins
What is the substance that is dissolved in a solution called?
Solvent
Solute
Electrolyte
Base
Which term describes the substance doing the dissolving in a solution?
Solute
Solvent
Acid
Base
A solution that contains a small amount of solute compared to solvent is called:
Concentrated solution
Dilute solution
Saturated solution
Supersaturated solution
What taste do acids generally have?
Bitter
Sweet
Sour
Salty
What is the pH range for acids?
pH > 7
pH = 7
pH < 7
pH = 14
What color does red litmus paper turn in a base?
Red
Blue
Green
Yellow
Which of the following is a strong acid?
Acetic acid
HCl
Ammonia
NaOH
Which of the following is a weak base?
NaOH
H2SO4
Ammonia
HCl
Which statement is true about strong acids and concentration?
Strong acids are always concentrated
Weak acids are always dilute
A strong acid can be dilute
A weak acid cannot be concentrated
What does molarity measure?
Mass of solute per liter
Moles of solute per liter of solution
Volume of solute per liter
Number of ions per liter
How many moles are in 3.0 L of 0.40 M HCl?
0.12 mol
1.2 mol
0.40 mol
3.0 mol
Which of the following best describes an unsaturated solution?
Contains more solute than possible
Cannot dissolve more solute
Can dissolve more solute at a given temperature
Contains no solute
What happens to a supersaturated solution if disturbed?
It becomes more stable
It crystallizes
It dissolves more solute
It turns into a gas
Which of the following is a strong base?
NaOH
Acetic acid
Ammonia
HCl
Which of the following is a weak acid?
HCl
H2SO4
Acetic acid
NaOH
If a solution conducts electricity, it must contain:
Non-electrolytes
Electrolytes
Acids only
Bases only
What is the formula used for dilution calculations?
M₁V₁ = M₂V₂
M₁ + V₁ = M₂ + V₂
M₁V₂ = M₂V₁
M₁/M₂ = V₁/V₂
To prepare 500.0 mL of 1.5 M solution from a 6.0 M stock, what volume of the stock solution (V₁) is needed?
125.0 mL
250.0 mL
100.0 mL
200.0 mL
What happens to the concentration of a solution when it is diluted?
It decreases
It increases
It stays the same
It becomes zero
If you have 10 mL of 5.0 M solution and dilute it to 50 mL, what is the new concentration?
1.0 M
2.0 M
0.5 M
5.0 M
If you start with 20 mL of 10 M solution and dilute it to 100 mL, what is the final concentration?
2.0 M
5.0 M
1.0 M
10.0 M
A student needs 250 mL of 0.5 M solution from a 2.0 M stock. What volume of stock solution should be used?
62.5 mL
125 mL
50 mL
100 mL
If you dilute 40 mL of 3.0 M solution to 120 mL, what is the final concentration?
1.0 M
2.0 M
0.5 M
3.0 M
Which step is NOT required when performing a dilution?
Heating the solution
Measuring the initial volume
Calculating the final volume
Mixing the solution
What is the concentration of a solution if 25 mL of 4.0 M is diluted to 100 mL?
1.0 M
2.0 M
0.5 M
4.0 M
Which of the following best describes a dilution?
Adding solvent to decrease concentration
Adding solute to increase concentration
Heating to evaporate solvent
Mixing two different solutions
What is the final volume if 15 mL of 6.0 M solution is diluted to 1.5 M?
60 mL
30 mL
90 mL
15 mL
A student has 5 mL of 10 M solution and wants to dilute it to 0.5 M. What will be the final volume?
100 mL
50 mL
10 mL
25 mL
Which of the following is a correct application of the dilution formula?
M₁V₁ = M₂V₂
M₁ + V₁ = M₂ + V₂
M₁V₁ = M₂/V₂
M₁V₂ = M₂V₁ + V₂
If you have 12 mL of 3.0 M solution and dilute it to 36 mL, what is the final concentration?
1.0 M
2.0 M
0.5 M
3.0 M
What is the concentration of a solution if 50 mL of 8.0 M is diluted to 200 mL?
8.0 M
1.0 M
4.0 M
2.0 M
If you have 30 mL of 2.0 M solution and dilute it to 90 mL, what is the final concentration?
3.0 M
2.0 M
0.5 M
1.0 M
Which of the following describes a concentrated solution?
A solution with a large amount of solute compared to solvent
A solution with a small amount of solute compared to solvent
A solution that has been diluted
A solution that cannot dissolve more solute
