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Electrical Properties of Colloids

7. Hco3- and ...

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7. Hco3- and co3 2- can be separated by (a) phenolpthalein (b) mgcl2 solution (c) hgcl2 solution (d) kcl solution

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0.6 M K C l

0.07 M M g C l_{2}

solution are separated by semi-permeable membrane in a container. For this system, choose the correct answer:

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K_{a_{2}} = 7.0 \times 10^{- 11}

[H C O_{3}^{-}]

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