WorksheetsUnit 10 REVIEW - Acids & Bases
Total questions: 25
Worksheet time: 30mins
Which of these pH numbers indicates the strongest acid?
1
3
8
12
As pH decreases,
[H+] increases only
[H+] decreases only
[H+] increases and [OH-] decreases
[H+] decreases and [OH-] increases
What are the products when NaOH reacts with HCl?
only NaCl
only H2O
NaCl and H2O
NaCl and Cl2
When the hydronium ion [H3O+] concentration of a solution is increased by a factor of 10, the pH --
decreases 1 pH unit
decreases 10 pH units
increases 1 pH unit
increases 10 pH units
Determine the pH of [H+]= 4.36 x 10 ^ -2
1.24
2.36
1.36
1.94
How do you go from pH to pOH
[H+][OH-]=1.0 x 10^-14
pOH=-log[OH-]
[H+]=10^-pH
pH+pOH=14
The solution has a pH of 7.4 what is the pOH
6.6
5.9
7
6.8
What is the pH of a soultion of 0.035 M HCl
1.46
3.5
2.86 x 10-13
If the pOH of a solution is 5.5, what is the pH?
4.5
8.5
0.74
5.5
The pH of a solution is 2.0. What is the [OH-] concentration?
1x10-12M
12 M
1x10-2M
2 M
Between which two points did the solution change from SATURATED to SUPERSATURATED?
V-->W
W-->X
X--> Y
Y-->Z
Between which two points did the solution change from SUPERSATURATED to SATURATED?
V-->W
W-->X
X-->Y
Y-->Z
Between which two points did the solution change from UNSATURATED to SATURATED?
V-->W
W-->X
X-->Y
Y-->Z
If a solution contains [OH-] = 1.0 x 10-4 , what is the [H+]?
(Hint: [H+] [OH-] = 1.0 x 10-14 so the exponenets will equal 14 when the coefficient value is 1.0)
1.0 x 10-14
1.0 x 10-4
1.0 x 10-6
1.0 x 10-10
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+
A Bronsted Lowry acid:
donates H+ to another substance
accepts H+ from another substance
produces H+
produces OH-
Which characteristics describe a base?
tastes sour, litmus indicator turns blue
tastes bitter, litmus paper turns blue
tastes bitter sour, litmus indicator turns blue green
tastes bitter sour, litmus indicator turns green
What would happen to blue litmus paper when it is dipped into a sample of acid rain?
Blue litmus paper remains blue.
Blue litmus paper turns red.
Blue litmus paper turns purple.
Blue litmus paper turns green.
True or False? An stronger acid has a higher concentration of hydronium [H3O+] ions.
True
False
True or False? A change of one unit on the pH scale represents a change in the concentration of hydrogen ions by a factor of 10.
True
False
When using the Arrhenius model, what types of ions indicate that a compound is a base?
H+1
OH-1
