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WorksheetsAcids & Bases
Total questions: 25
Worksheet time: 15mins
A sour taste is a characteristic of:
acids
bases
neutral
pH scale
pH is the measure of the concentration of ______.
Acids
H+ ion
OH- ion
Bases
According to Arrhenius, what is the definition of an ACID?
a substance that contains hydroxide and ionizes to produce OH-
a substance that contains hydrogen and ionizes to produce H+
a substance that contains hydrogen and ionizes to produce OH-
a substance that contains hydroxide and ionizes to produce H+
According to Bronsted-Lowry, what is the definition of an BASE?
a substance that donates a hydrogen (H+) ion
a substance that donates a hydroxide (OH-) ion
a substance that accepts a hydrogen (H+) ion
a substance that accepts a hydroxide (OH-) ion
What is the conjugate base in the following reaction?
HCO3-
HCl
H2CO3
Cl-
Which of the following is an Arrhenius Acid?
LiOH
CO32-
OH-
H3PO4
Which of the following is a strong acid?
oxalic acid
nitric acid
carbonic acid
acetic acid
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
When an acid is dissolved in water, it turns red litmus paper blue.
True
False
If a substance is neutral, what would its pH be?
3
5
7
9
If a solution has a [H+] of 9.3x10-11, what is the pH?
10.0
4.0
3.5
8.2
If a solution has a [OH-] of 2.3x10-4, it must be a(n)...
Acid
Base
Neutral
What is the equation for calculating pH?
pH = [H+]
pH = log [H+]
pH = -log[OH-]
pH = -log [H+]
The pH of a solution is 8.43. What is the hydronium ion H3O+ concentration?
3.7 x 10-9 M
2.7 x 10-6 M
1.0 x 10-8.43 M
1.0 x 10-14
What is the hydronium ion concentration of 4.0 M H2SO4?
4.0 M
8.0 M
1.0 x 10-4 M
2.5 x 10-15 M
Which of the following would NOT be broken down into its component ions in a Complete Ionic equation?
HCl
H2SO3
H2SO4
HNO3
What volume of 0.15 M H2SO4 is needed to neutralize 32.5 mL of 0.12 M NaOH?
13 mL
26 mL
40.6 mL
20.3 mL
Find the concentration of a solution of NaOH if 24.3 mL of it is neutralized by 18.4 mL of 0.24 M HNO3.
0.18 M
0.09 M
0.36 M
0.32 M
What is the conjugate base of HNO2?
NO2-
H2NO2
HNO-
NO3-
