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Q.

The pH of a solution is 12. Number of H+ ions present in 1 ml of this solution at 250C is

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a

6.02 x1020

b

10-12

c

6.02 x 108

d

10-2

answer is C.

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Detailed Solution

[H+] = 10-12

nH+ present in 1 ml of solution = 10-12 x 1 x 10-3

                                                       = 10-15

Number of H+ ions present in 1 ml of solution

                                                    = 10-15 x 6.023 x 1023

                                                   = 6.023 x 108

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