1.

Find the precentage degree of dissociation of 0.05 M NH_3 at 25^(@)C in a solutionof pH = 11

Answer»


Solution :` C = 0.0 5 ,pH = 11 , pOH = 3 `
`rArr [OH^(-)] =10 ^(-3)= Calpha `
` rArr alpha = (10^(-3))/(5 xx 10 ^(_2) ) = 2 XX1 0 ^(_2)=2%`


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