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A current of dry air was passed through a solution containing 2.0 g of a solute A_(2)B in 98 g of water and then through pure water. The loss in weight of the solution was 0.98 g and the loss in weight of pure water is 0.01 g. If the molar mass of A_(2)B is 90 g//mol and it dissociates into A^(+) and B^(-2) ions, then its percentage dissociations in water is. |
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