Given the characteristics listed below for a "typical" river, determine the following parameters related to drinking water quality. The water temperature is 25°C. What is the total hardness: Consider only two major species that contribute the most to total hardness. Choose your answer from the following. Species Ca²+ Mg2+ Na+ Fe³+ Concentration (mg/L) 15 4.1 6.3 0.67 (a) 55 meq/L (b) 1.1 meq/L (c) 1.09 mg/L as CaCO3 (d) 50 mg/L as CaCO3 Molecular weight 40 24 23 55.8 Species HCO3 CO3²- SO4²- SiO₂ Concentration (mg/L) 58.4 0.0085 11.2 13.1 Molecular weight 61 60 96 60.08
Given the characteristics listed below for a "typical" river, determine the following parameters related to drinking water quality. The water temperature is 25°C. What is the total hardness: Consider only two major species that contribute the most to total hardness. Choose your answer from the following. Species Ca²+ Mg2+ Na+ Fe³+ Concentration (mg/L) 15 4.1 6.3 0.67 (a) 55 meq/L (b) 1.1 meq/L (c) 1.09 mg/L as CaCO3 (d) 50 mg/L as CaCO3 Molecular weight 40 24 23 55.8 Species HCO3 CO3²- SO4²- SiO₂ Concentration (mg/L) 58.4 0.0085 11.2 13.1 Molecular weight 61 60 96 60.08
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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