The table below show three solutions and their pH's before and after a small amount of acid is added: Which of the solutions in the table represents a buffered solution? pH after adding 10 mL of acid Solution Original pH A 6.5 4.0 B. 8.5 6.5 7.5 7.4 O Solution A O Solution B O Solution C Cannot be determined

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
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The table below show three solutions and their pHs before and aftera
small amount of acid is added: Which of the solutions in the table
represents a buffered solution?
pH after adding
10 mL of acid
Solution
Original pH
A
6.5
4.0
8.5
6.5
C.
7.5
7.4
OSolution A
O Solution B
O Solution C
Cannot be determined
Transcribed Image Text:The table below show three solutions and their pHs before and aftera small amount of acid is added: Which of the solutions in the table represents a buffered solution? pH after adding 10 mL of acid Solution Original pH A 6.5 4.0 8.5 6.5 C. 7.5 7.4 OSolution A O Solution B O Solution C Cannot be determined
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