1.

Calculate the hydrolysis constant of the salt containing NO_2. Given that K_a for HNO_2=4.5 times 10^-10.

Answer»

`2.22 TIMES 10^-5`
`2.02 times 10^-5`
`4.33 times 10^4`
`3.03 times 10^-5`

SOLUTION :`h=K_w/K_a=(1 times 10^-14)/(4.5 times 10^-10)=2.22 times 10^-5`


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