Hmwk#05 - Su13

# Mineral concentration mineral concentration calcium

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‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ ‒‒‒‒‒‒‒‒ Mineral Concentration Mineral Concentration ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ ‒‒‒‒‒‒‒‒ Calcium 67.2 Chloride 4.5 Magnesium 40.0 Sulfate 29.0 Sodium 4.7 Bicarbonate 346.5 ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ ‒‒‒‒‒‒‒‒ Determine the alkalinity of the water (in mg/L as CaCO 3 ). Determine the total, carbonate, and noncarbonate hardness (in mg/L as CaCO 3 ). Calculate the total concentrations of anions and cations (in meq/L).

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Problem 5 - B. [ original ] A lake has a volume of 10 6 m 3
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