Chemistry

Chemistry

Problem

The precipitate of CaF2\text{CaF}_2 ( Ksp=1.7×10−10K_{sp} = 1.7 \times 10^{-10} ) is obtained when equal volumes of the following are mixed : a. 10−4MCa2+10^{-4} M \text{Ca}^{2+} and 10−4MF−10^{-4} M \text{F}^- b. 10−2MCa2+10^{-2} M \text{Ca}^{2+} and 10−3MF−10^{-3} M \text{F}^- c. 10−5MCa2+10^{-5} M \text{Ca}^{2+} and 10−3MF−10^{-3} M \text{F}^- d. 10−3MCa2+10^{-3} M \text{Ca}^{2+} and 10−5MF−10^{-5} M \text{F}^-

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