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Answer explain why it is not possible to deduce a complete order of reactivity.
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Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2
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Which material is the least likely to be recognized as a mixture by looking at it under a microscope...
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