A solution having POH=4 is diluted 1000 times.
The pH of the resulting solution will be
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Answer:
An acid solution of pH=6 is diluted 1000 times, the pH of the final solution becomes · 6.01 · 9 · 3.5 · 6.99 · 6.99 · calculate the change in ph of 0.1 M Na2HA solution
Answered by
0
Answer:
Correct option is
D
6.99
∵pH=6
∴H
+
=10
−6
M
After dilution [H
+
]=
1000
10
−6
=10
−9
M
∴[H
+
] from H
2
O cannot be neglected.
Total [H
+
]=10
−9
+10
−7
=10
−7
(10
−2
+1)
=10
−7
(1.01)
pH=−log(1.01×10
−7
)
=7−0.0043
=6.9957
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