Science, asked by sindhu23031978, 2 months ago

A solution having POH=4 is diluted 1000 times.
The pH of the resulting solution will be​

Answers

Answered by hackerrishabh
0

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 ap2821460
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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