HW4 - 1 0mgL of fluoride could be obtained in water that...

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Feb 11 th , 2011 Zexi Liu 53:050 1. Answer: See Next Page. 2. Answer: = ++ - CaF2s Ca2 2F = + - = × - Ks Ca2 ∙F 2 3 10 11 , += . ÷ . = . Ca2 0 2gL 40 08gmol 0 005M , -= . - ∴F 7 75∙10 5M = . - × × = Mass Concentration of F 7 75∙10 5M 19gmol 1000mgg . 1 47mgL Since 1.47 > 1.00, .
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Unformatted text preview: 1 0mgL of fluoride could be obtained in water that contains 200 mg/L of calcium. 3. Answer: See Next Page. 4. Answer: See Next Page. 5. Answer: See Next Page. 6. Answer: See Next Page. 7. Answer: See Next Page. Page 1 of 1...
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