1.

The hydroxyl ion concentration of a solution is 1xx10^(-9) M.What is the pOH of the solution?

Answer»

Solution :POH=`-lg_(10)[OH^(-)]`
pOH=`-log_(10)[1xx10^(-9)]`
pOH=`(log_(10)1.0+log_(10)10^(-9))`
pOH=-(0-9)
pOH=9


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