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[" 9.If the "K(" sp ")" of "CaF(2)" at "...

[" 9.If the "K_(" sp ")" of "CaF_(2)" at "25^(@)C" is "1.6times],[10^(-10)" then the number of moles of the "],[" salt must be dissolved in "2.0L" of water "],[" at "25^(@)C" to form a saturated solution is: "]

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