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Define -ionic product of water? |
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Answer» Solution :`H_2O+H_2O LEFTRIGHTARROW H_3O^(+)+ OH^-` The dissociation constant for the above IONISATION is given as, `K_w=([H_3O^+][OH^-])/[H_2O]^2` The concentration of pure water is ONE i.e., `[H_2O]^2=1` `therefore K_w=[H_3O^+][OH^-]` `K_w`= ionic PRODUCT of water `K_w=1 times 10^-14` at `25^@C` |
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