(a)
Interpretation:
The given set of solution should be identified as either acidic or basic solution, and the value of should be determined.
Concept Introduction:
: If a species loses a proton then it is considered as
: If a species receives one proton, then it is considered as
If a base receives one proton, then the formed species is a conjugate acid whereas an acid lose one proton, then the formed species is a conjugated base.
Ionic-product constant for water: It is the hydronium ion concentration times the concentration present in the solution.
The  will apply to all aqueous solution.
For acidic solution is large that is
For basic solution is large that is
(b)
Interpretation:
The given set of solution should be identified as either acidic or basic solution and the value of should be determined.
Concept introduction:
: If a species loses a proton then it is considered as
: If a species receives one proton, then it is considered as
If a base receives one proton, then the formed species is a conjugate acid whereas an acid lose one proton, then the formed species is a conjugated base.
Ionic-product constant for water: It is the hydronium ion concentration times the concentration present in the solution.
The  will apply to all aqueous solution.
For acidic solution is large that is
For basic solution is large that is
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Fundamentals of General, Organic, and Biological Chemistry (8th Edition)