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The precipitate of CaF2 (Ks = 1.7 xx 10^...

The precipitate of `CaF_2 (K_s = 1.7 xx 10^-10)` is obtained when equal volmes of the following are mixed:

A

`10^(-4)` M `Ca^(2+) + 10^(-4)M F^-`

B

`10^(-2)` M `Ca^(2+) + 10^(-3)M F^-`

C

`10^(-5)` M `Ca^(2+) + 10^(-3)M F^-`

D

`10^(-3)` M `Ca^(2+) + 10^(-5)M F^-`

Text Solution

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The correct Answer is:
B
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