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0.16g of N2H4 are dissolved in water and...

0.16g of `N_2H_4` are dissolved in water and the total volume made upto 500ml. Calculate the percentage of `N_2H_4` that has reacted with water in this solution. The `K_b` for `N_2H_4` is `4xx10^-6` M

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The correct Answer is:
`2%`
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