(10 6-13. Determine the lime and soda ash dose, in mg/L as CaCO3, to soften the 4-5 following water to a final hardness of 80.0 mg/L as CaCO3. The ion con- centrations reported below are all mg/L as CaCO3. Ca2+ = 120.0 Mg2+ = 30.0 HCO3 = 70.0 CO₂ = 10.0
(10 6-13. Determine the lime and soda ash dose, in mg/L as CaCO3, to soften the 4-5 following water to a final hardness of 80.0 mg/L as CaCO3. The ion con- centrations reported below are all mg/L as CaCO3. Ca2+ = 120.0 Mg2+ = 30.0 HCO3 = 70.0 CO₂ = 10.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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6-13. Determine the lime and soda ash dose, in mg/L as CaCO3, to soften the
4-5 following water to a final hardness of 80.0 mg/L as CaCO3. The ion con-
centrations reported below are all mg/L as CaCO3.
Ca2+ = 120.0
Mg2+ = 30.0
HCO3 = 70.0
CO₂ = 10.0
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