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The concentration of HCN and NaCN in a s...

The concentration of HCN and NaCN in a solution is 0.01 M each. Calculate the concentration of hydrogen and hydroxyl ions if dissociation constant of HCN is `7.2 xx 10^(-10)`

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`[H^+] = 7.2 xx 10^(-10) M, [OH^-] = 1.4 xx 10^(-5) M`
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