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WorksheetsAcid Base Test Review HONORS
Total questions: 55
Worksheet time: 1hrs 1mins
Identify the acid and conjugate base pair in the following equation:
PO43- and HPO42-
HNO3 and NO3-
PO43- and NO3-
HNO3 and HPO42-
NaOH dissolves to produce hydroxide ions in water. This is classified as what type of substance?
Arrhenius Base
Arrhenius Acid
Bronsted-Lowry Acid
Bronsted-Lowry Base
NH3 + H2O → NH4+ + OH-
According to one acid-base theory, the H2O molecules act as ______________________.
an acid because they accept H+ ions
an acid because they donate H+ ions
a base because they donate H+ ions
a base because they accept H+ ions
The Acid-Base classification system that defined both an acid and base using a hydrogen atom is called the _________________ model (theory). In this theory, a ___________ is considered a hydrogen (proton) acceptor.
Bronsted-Lowry; base
Arrhenius; base
Arrhenius; acid
Bronsted-Lowry; acid
Which of the following does not describe an Arrhenius or Bronsted Lowry acid or base?
Produces H+
Produces OH-
Donates H+ to another substance
Donates OH- to another substance
Which of the following is a neutralization reaction?
2Na + Cl2 → 2NaCl
CH4 + 2O2 → CO2 + 2H2O
HCl + KOH → KCl + H2O
CaCO3 → CO2 + CaO
Apollo has an unknown substance in a beaker. He wants to determine the relative pH of the unknown substance. He places a piece of blue litmus paper into the substance, and the litmus paper turns red. In addition, the substance reacts with metal and it tastes sour.
The substance in the beaker...
is a base.
has a neutral pH.
is an acid.
does not have a pH.
Which of the following dissociates completely (100%) into hydronium ions and anions?
a weak base
a weak acid
a strong base
a strong acid
If the concentration of [OH-] = 1 x 10-9 M, which term best describes the solution?
acidic
basic
neutral
none of the above
For the following equation, label the acid, base, conjugate acid and conjugate base:
HCO3+ + H2O ---> OH- + H2CO3
Base, Acid, Conjugate Acid, Conjugate Base
Acid, Base, Conjugate Base, Conjugate Acid
Base, Acid, Conjugate Base, Conjugate Acid
Acid, Base, Conjugate Acid, Conjugate Base
In the reaction below, H3O+ is a(n):
H2SO3 + H2O --> H3O+ + HSO3-
base
acid
conjugate acid
conjugate base
Which of the following word pairs correctly completes the sentence below?
Acids tend to have _______________ concentrations of hydrogen (H+) ions and ______________ concentrations of hydroxide (OH-) ions when in solution.
high; low
high; high
low; high
low; low
If there are two solutions with the data below, determine which would conduct electricity and why?
Solution X: pH 3; 100% dissociation
Solution Y: pH 6; 1% dissociation
Solution X because it completely dissociates into ions which conduct electricity.
Solution Y because it completely dissociates into ions which conduct electricity.
Solution X because it is a strong acid.
Solution Y because it is a strong acid.
A pH of 3 is how many times more acidic than a pH of 5?
2
20
10
100
Water has a neutral because
it has more H+ ions than OH-
it has more OH- ions than H+
it does not produce any ions
it has an equal amount of H+ and OH- in solution
If a neutralization is done incorrectly, which of the following would be a sign in the lab?
blue litmus paper red AND red litmus paper red
blue litmus paper blue AND red litmus paper red
pH paper 7
phenolphthalein colorless in final solution (turns pink at pH 8)
The following are various measurements of pH, EXCEPT
spectrometer
universal indicator
digital pH meter
pH paper
H2SO4 + KOH -->
Which of these will neutralize acid?
H3PO4
NaOH
HCl
H2O
Which of the following is true about acids and bases?
The lower the pH #, the stronger the acid
the higher the pH #, the stronger the acid
The lower the pH #, the more neutral the acid
The higher the pH #, the weaker the base
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
What is the name of the acid with the formula H2SO4?
Sulfurous Acid
Sulfuric Acid
Hydrogen sulfuric Acid
Sulfate Acid
What is the formula for nitric acid?
HNO3
HNO2
HNO4
NO
What is the name of the acid with the formula HCl?
Chloric Acid
Chlorous Acid
Hypochloric Acid
Hydrochloric Acid
What is the name of HBr?
Hydrobromous acid
Hydrobromic acid
Bromic Acid
Bromous Acid
At what pH would a neutralization be complete?
5
6
8
7
Which of the following is considered a strong acid?
Beaker 1
Beaker 2
Beaker 3
Beaker 4
Beaker 5
Complete the following reaction: Hydrochloric acid [HCl] + magnesium hydroxide [Mg(OH)2] -->
Magnesium chloride (MgCl2) + water (H2O)
Magnesium (Mg) + water (H2O)
Magnesium chloride (MgCl2) + hydrogen gas (H2)
Magnesium chloride (MgCl2) + water (H2O) + carbon dioxide (CO2)
Which of the following is considered a weak base?
Beaker 1
Beaker 2
Beaker 3
Beaker 4
Beaker 5
An acid has a pH
higher than 7
lower than 7
7
greater than 14
Which is NOT a property of acids?
slippery
pH below 7
react with metals
contain H1+ ions
Which is NOT a property of bases?
caustic
slippery
pH below 7
bitter
What are the products of a neutralization reaction between an acid and a base?
Another acid and base
Carbon dioxide and a salt
Water and a salt
Either two acids or two bases
Which of these solutions is MOST acidic?
[H+] = 1x10-5 M
[H+] = 1x10-10 M
[OH-] = 1x10-12 M
[OH-] = 1x10-8 M
What is the hydrogen ion concentration of a solution with a pOH of 9?
1x10-5 M
5
9
1x10-9 M
If the hydroxide ion concentration is 1x10-6 M, what is the hydronium ion concentration?
1x10-2 M
1x10-6 M
1x10-8 M
1x10-12 M
Complete the following reaction:
HCl + Mg(OH)2 -->
MgCl2 + H2O
Mg +H2O
MgCl2 + H2
MgCl2 + H2O + CO2
What is the equivalence point of a titration
Where the amount of acid and base are equal
Where there is no base
When the volume of base in the burette is used up
When there is no acid
What is the concentration of a HCl solution if 24.7 cm3 of HCl are completely neutrilized by 35.8 cm3 of a 0.25 M NaOH solution?
0.362 M
3.62 M
0.172 M
35.4 M
Calculate the volume of a 0.15 M Ba(OH)2 solution required to completely neutralize 45 cm3 of a 0.29 M HNO3 solution.
43.5 cm3
87 cm3
23.3 cm3
51.9 cm3
If it takes 54 cm3 of 0.1 M NaOH to neutralize 125 cm3 of an HCl solution, what is the concentration of HCl?
0.043 M
23.148 M
0.231 M
If it takes 25 cm3 of 0.05 M HCl to neutralize 345 cm3 of NaOH solutions, what is the concentration of the NaOH solution?
0.004 M
276 M
0.036 M
How many milliliters of 0.360 M H2SO4 are required to neutralize 25 cm3 of 0.1 M Ba(OH)2?
6.944 cm3
0.144 cm3
0.069 cm3
A 50.0 cm3 sample of Ca(OH)2 is neutralized by 300.0 cm3 of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)2 solution.
1.0 M
0.50 M
0.15 M
0.30 M
A 0.025L solution of HCl is neutralized by 0.018L of a 1.0 M NaOH solution. What is the concentration of the HCl solution?
Use the steps in your notes to help you set up this problem!
1.44 M
4 M
0.72 M
None of the above
A 0.0800L solution of Ca(OH)2 is neutralized by 0.0293L of a 3.58 M H2CrO4 solution. What is the concentration of the Ca(OH)2 solution?
1.31 M
0.49 M
5.32 M
None of the above
Write the formula equation for the following acid-base neutralization reaction: sulfuric acid + sodium hydroxide (balance)
H2SO4 + NaOH → H2O + Na2SO4
H2SO4 + 2NaOH → 2H2O + Na2SO4
HSO4 + NaOH → OH + Na2SO4
HSO4 + NaOH → H2O + NaSO4
In a titration, 33.21 mL of 0.3020 M rubidium hydroxide solution is required to exactly neutralize 20.00 mL hydrofluoric acid solution. What is the molarity of the hydrofluoric acid solution?
5.498 M HF
0.5015 M HF
0.1003 M HF
0.002 M HF
