At `25^(@)C`, the `[H^(+)]` of a solution is `2 xx 10^(-9) M`, the nature of the solution is

At 298 K, the [H_(2),O^(+)] of a solution is 2 xx 10^(-9) M. The nature of the solution is

At 298 K, the [H_(3),O^(+)] of a solution is 2 xx 10^(-9) M. The nature of the solution is

The [OH^-] of a solution is 1.0 xx 10^(-10) M. The solution is

The OH^- concentration of a solution is 1.0 xx 10^(-10) M. The solution is

At 25^(0)C , the hydroxyl ion of a basic solution is 6.75 xx 10^(-3) M . Then the value of K_(w) is

The H ion concentration of a solution is 4.75 xx 10^(-5) M. Then the OH ion concentration of the same solution is