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Acid & Bases Intro BW
By Danielle Smith
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Last updated 1 day ago
20 questions
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5
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
In the equation HF + H2O ---> H3O+ + F-, which species is the Bronsted-Lowry acid?_______
Question 12
12.
Question 13
13.
In the reaction NH3 + H2O ---> NH4+ + OH-, which species is a Bronsted-Lowry base?_______
Question 14
14.
Question 15
15.
Question 16
16.
If something has a pH of 3.00, what is the pOH?
Question 17
17.
What is the pH of a 0.48M HCl?
Question 18
18.
What is the pH of 0.25M NaOH?
Question 19
19.
What is the H
+
concentration given a pH of 7.80?
Question 20
20.
Acids taste...
sweet
salty
sour
bitter
Acids make litmus paper turn...
black
yellow
red
blue
Bases taste...
soapy
bitter
sour
sweet
Bases feel...
sticky
dry
slippery
rough
Bases make litmus paper turn...
yellow
blue
black
red
What is an Arrhenius acid?
a chemical compound that increases the concentration of hydroxide ions in aqueous solutions
a lone pair electron acceptor
a chemical compound that increases the concentration of hydrogen ions in aqueous solutions.
a lone pair electron donor
A substance that ionizes completely in aqueous solutions and produces H3O+ is a...
weak acid
strong acid
strong base
weak base
Which of the following is a strong base?
NH3
Mg(OH)2
NaOH
Fe(OH)3
Which of the following is a weak base?
KOH
NH3
HCl
Ca(OH)2
A Bronsted-Lowry acid is...
a lone pair electron acceptor
a lone pair electron donor
a proton donor
a proton acceptor
A Bronsted-Lowry base is a...
a lone pair donor
proton donor
proton acceptor
producer of OH- ions
The pH of an acidic solution is...
less than 0
greater then 7
greater than 14
less than 7
The pH of a basic solution is...
greater than 14
less than 0
less than 7
greater than 7
[H
+
] = [8.3 x10
-7
], what is the pH? Acid, base or neutral?
4.12 acid
12.71 base
9.49 base
6.08 acid