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Assuming that Ba(OH)2 is completely ioni...

Assuming that `Ba(OH)_2` is completely ionised in aqueous solution under the given conditions the concentration of `H_3O^+` ions in 0.005 M aqueous solution of `Ba(OH)_2` at 298 K is __________ `xx 10^(-12) mol L^(-1)`. (Nearest integer)

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