1.

Calculate the hydrolysis constant of the salt containing NO_(2). Given the pK_(a) for HNO_(2) = 4.5 xx 10^(-10)

Answer»

`2.22 xx 10^(-5)`
`2.02 xx 10^(5)`
`4.33 xx 10^(-4)`
`3.03 xx 10^(-5)`

SOLUTION :`H =(k_(W))/(k_(a)) = (1 xx 10^(-14))/(4.5 xx 10^(-10)) = 2.22 xx 10^(-5)`.


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