Fluoridation of drinking water is employed in many places to aid in the prevention of tooth decay.
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Fluoridation of drinking water is employed in many places to aid in the prevention of tooth decay. Typically the F- ion concentration is adjusted to about 1 ppb. Some water sup-plies are also "hard"; that is, they contain certain cations such as Ca2+ that interfere with the action of soap. Consider a case where the concentration of Ca2+ is 8 ppb. Could a precipitate of CaF2 form under these conditions? (Make any necessary approximations.)
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No a precipitate of CaF2 will not form under these conditions The solubility of CaF2 is 23 x ...View the full answer
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Related Book For 
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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