The iron product of water pKw is 14. If a rain water sample has a pH o – InterviewSolution

1.	The iron product of water pKw is 14. If a rain water sample has a pH of 5.6, the concentration of OH− in the sample (in 10−9 mol/litre, round off to one decimal place), is____3.981
Answer» The iron product of water $p K_{w}$ is 14. If a rain water sample has a pH of 5.6, the concentration of $O H^{-}$ in the sample (in $10^{- 9}$ mol/litre, round off to one decimal place), is____ 3.981

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