An excess of HgNH3Y2- was introduced to 25.00 mL of well water. Express the hardness of the

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An excess of HgNH3Y2- was introduced to 25.00 mL of well water. Express the hardness of the water in terms of ppm CaCO3 if the EDTA needed for the titration was generated at a mercury cathode (Equation 22-9) in 3.52 min by a constant current of 39.4 mA. Assume 100% current efficiency.
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Fundamentals of Analytical Chemistry

ISBN: 978-0495558286

9th edition

Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch

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