if ksp of caf2 at 25degreecelcius is 1.7 *10^-10,thee combination amongst the following which give a participate of caf2 is

if ksp of caf2 at 25degreecelcius is 1.7 *10^-10,thee combination amon

1.	if ksp of caf2 at 25degreecelcius is 1.7 *10^-10,thee combination amongst the following which give a participate of caf2 is
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