Chemistry, asked by Asad905, 1 month ago

How to calculate pOH and pH of any substance using log?? Kindly answer fast because I am gonna give exam tomorrow...​

Answers

Answered by kasagayathri14
2

Answer:

POH + PH = 14

- Log (H+ ) = PH

- Log (OH-) = POH

Log values

Log 1 = 0

Log 2 = 0.3

Log 3 = 0.48

Log 4 = 0.6

Log 5 = 0.70

Log 6 = 0.78

Log 7 = 0.85

Log 8 = 0.90

Log 9 = 0.95

Log 10 = 1

Explanation:

Example if H+ = 10^-5

then PH = 5

Example if POH =4

then OH- = 10^-4

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