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For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the second decimal place; e.g. 6.25, 7.00, -0.33, -.30, 30.27, -127.30) using the mouse and the on-screen virtual numeric keypad in the place designated to enter the answer.

Question 31

The solubility of a salt of weak acid (AB) at $$p^{H}$$ is $$Y \times 10^{-3} mol L^{-1}$$ The value of Y is ____.(Given that the value of solubility product of $$AB (K_{sp}) = 2 \times 10^{-10}$$ and the value of ionization constant of $$HB (K_{a}) = 1 \times 10^{-8}$$

Correct Answer: e

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JEE (Advanced) 2018 Paper-1

The solubility of a salt of weak acid (AB) at $$p^{H}$$ is $$Y \times 10^{-3} mol L^{-1}$$ The value of Y is ____.(Given that the value of solubility product of $$AB (K_{sp}) = 2 \times 10^{-10}$$ and the value of ionization constant of $$HB (K_{a}) = 1 \times 10^{-8}$$

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