Explanation:
Assume in the original mixture, [salt]=[acid].
pH=pK
a
+log
[acid]
[salt]
=pK
Now, the ratio of concentration of acid to salt is increased ten fold.
=
1
10
Hence,
10]
−1
Thus pH of solution decreases by 1.
Answer:
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Explanation:
Assume in the original mixture, [salt]=[acid].
pH=pK
a
+log
[acid]
[salt]
=pK
a
Now, the ratio of concentration of acid to salt is increased ten fold.
[salt]
[acid]
=
1
10
Hence,
[acid]
[salt]
=
10
1
pH=pK
a
+log
10]
1
=pK
a
−1
Thus pH of solution decreases by 1.
Answer:
Assume in the original mixture, [salt]=[acid].
Explanation:
Thus pH of solution decreases by 1.