At what conc. of the Ba2+ ions would BaSO4 start precipitating from a solution in which the concentration of the Ba2+ ions is 0.0010M(Ksp of BaSO4 is 10^-10)

Dear Student,

We have to find the concentration of Ba2+ ions at which BaSOwould start precipitating.
So, assuming that the concentration mentioned by you is of SO42- ions, and not Ba2+ ions,
we can find use the solubility product to get the concentration of Ba2+ ions.

Ksp=Ba2+SO42-10-10=Ba2+0.001Ba2+=10-1010-3=10-7 M

Hope it helps.


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