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The Water Treatment Plant and the University Water Treatment Plant remove calcium hardness (Ca2+) by precipitating...

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Chemistry

The Water Treatment Plant and the University Water TreatmentPlant remove calcium hardness (Ca2+) by precipitating (making)CaCO3(s). If, after establishing equilibrium with CaCO3(s), thedissolved Ca2+ concentration is 10 mg/L and the pH is 10.5. a. Whatis the CO32- concentration in mol/L? b. What is the HCO3-concentration in mol/L? c. What is the alkalinity in mg/L asCaCO3?

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4.1 Ratings (866 Votes)
Ca2 10 401000 molL 25 x 104 molL pH 105 H 10105 316 x 1011 molL OH 1014 10105 316 x 104 molL Solution will contain Ca2 H HCO3 CO32 OH ions Solution must be electrically neutral we    See Answer
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