Acid-Base Buffer_II
Authored by Badrinath Dhakal
Chemistry
University
NGSS covered
Used 6+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be the pH of 1.0 L water (pH = 7.00) after 5.0 mL of 5.0 M NaOH solution has been added?
14.00
8.00
12.40
7.00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will be the pH of 1.0 L water (pH = 7.00) after 5.0 mL of 5.0 M HCl solution has been added?
1.60
7.00
12.40
10.00
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a buffer solution that is 0.50 M in NH3 and 0.20 M in NH4Cl. For ammonia, pKb = 4.75.
12.40
7.00
6.95
9.65
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A buffer solution consists of 0.50 M in NH3 (pKb = 4.75) and 0.20 M in NH4Cl.
What will be the pH of 1.0 L of the buffer solution upon addition of 0.010 mol of solid NaOH to the original buffer solution.
9.68
5.68
11.58
7.00
Tags
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A buffer solution consists of 0.50 M in NH3 (pKb = 4.75) and 0.20 M in NH4Cl.
Calculate the pH of 1.0 L of the buffer solution upon addition of 30.0 mL of 1.0 M HCl to the original buffer solution.
7.00
9.56
11.65
12.40
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