1.

Calculate the H^(+) ion concentration in a 1.00(M) HCN litre solution (K_(a) = 4 xx 10^(-10))

Answer»

`4 xx 10^(-14)` mole/litre
`2 xx 10^(-5)` mole/litre
`2.5 xx 10^(-5)` mole/litre
None of these

Answer :B


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