Calculate minimum concentration of sulphate ion required to precipitate BaSO₄ in solution containi

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6-2.Equilibrium-II (Ionic Equilibrium)

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Calculate the minimum concentration of sulphate ion required to precipitate $BaSO_4$ in solution containing $10^{-4}\,mol/L$ of $Ba^{+2}$ . $(K_{sp} \,BaSO_4 = 4 \times 10^{-10})$

A

$4 \times 10^{-6}$

B

$4 \times 10^{-10}$

C

$2 \times 10^{-6}$

D

$2 \times 10^{-10}$

Solution

$[Ba^{+2}] [SO_4^{2-}] = 4 \times 10^{-10}$
for minimum or maximum

Standard 11

Chemistry

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