Problem 5. lon exchange is used to soften well water with the characteristics given in the table below. The ion exchanger has leakage hardness of 20 mg/L as CaCO3 To obtain a finished water hardness of 110 mg/L as CaCO3, what percentage of water must be bypassed and blended? Parameter Concentration (mg/L) Ca²+ Mg2+ Na HOO: 98 22 12 320

Problem 5. lon exchange is used to soften well water with the characteristics given in the table below. The ion exchanger has leakage hardness of 20 mg/L as CaCO3 To obtain a finished water hardness of 110 mg/L as CaCO3, what percentage of water must be bypassed and blended? Parameter Concentration (mg/L) Ca²+ Mg2+ Na HOO: 98 22 12 320

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Problem 5. Ion exchange is used to soften well water with the characteristics given in the table below. The ion
exchanger has leakage hardness of 20 mg/L as CaCO3. To obtain a finished water hardness of 110 mg/L as
CaCO3, what percentage of water must be bypassed and blended?
Parameter
Concentration (mg/L)
Ca²+
Mg2+
Na
HCO
cr
SO4²-
98
22
12
320
21
65

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