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3. The following mineral analysis was reported for a water sample taken from Well No. 1 at the Eastwood Manor Subdivision near McHenry, Illinois. Note: All concentrations reported as "mg/L of ion" unless stated otherwise. Iron 1.5 Silica (SiO2) 10.0 Manganese 0.0 Fluoride 0.4 Ammonium 0.5 Boron 0.1 Sodium X Nitrate 0.2 Potassium 0.9 Chloride 4.9 Calcium 68.2 Sulfate 34.4 Magnesium 40.0 Alkalinity 295.0 as CaCO3 Barium 0.8 pH 7.8 units Determine the unknown sodium concentration in mg/L of Na+ using the electroneutrality condition. Determine the total, carbonate, and noncarbonate hardness in mg/L as CaCO3 using all the predominant polyvalent cation definition. Also construct the meq/L bar chart. 4. Calculate the total, carbonate, and noncarbonate hardness in mg/L as CaCO3 for Problem 3 using all the polyvalent cations. What is the percent error in using only the predominant cations?

          3. The following mineral analysis was reported for a water sample taken from Well No. 1 at the Eastwood Manor Subdivision near McHenry, Illinois. Note: All concentrations reported as "mg/L of ion" unless stated otherwise.
Iron 1.5 Silica (SiO2) 10.0
Manganese 0.0 Fluoride 0.4
Ammonium 0.5 Boron 0.1
Sodium X Nitrate 0.2
Potassium 0.9 Chloride 4.9
Calcium 68.2 Sulfate 34.4
Magnesium 40.0 Alkalinity 295.0 as CaCO3
Barium 0.8 pH 7.8 units
Determine the unknown sodium concentration in mg/L of Na+ using the electroneutrality condition. Determine the total, carbonate, and noncarbonate hardness in mg/L as CaCO3 using all the predominant polyvalent cation definition. Also construct the meq/L bar chart.
4. Calculate the total, carbonate, and noncarbonate hardness in mg/L as CaCO3 for Problem 3 using all the polyvalent cations. What is the percent error in using only the predominant cations?

3. The following mineral analysis was reported for a water sample taken from Well No. 1 at the Eastwood Manor Subdivision near McHenry, Illinois. Note: All concentrations reported as "mg/L of ion" unless stated otherwise.
Iron 1.5 Silica (SiO2) 10.0
Manganese 0.0 Fluoride 0.4
Ammonium 0.5 Boron 0.1
Sodium X Nitrate 0.2
Potassium 0.9 Chloride 4.9
Calcium 68.2 Sulfate 34.4
Magnesium 40.0 Alkalinity 295.0 as CaCO3
Barium 0.8 pH 7.8 units
Determine the unknown sodium concentration in mg/L of Na+ using the electroneutrality condition. Determine the total, carbonate, and noncarbonate hardness in mg/L as CaCO3 using all the predominant polyvalent cation definition. Also construct the meq/L bar chart.
4. Calculate the total, carbonate, and noncarbonate hardness in mg/L as CaCO3 for Problem 3 using all the polyvalent cations. What is the percent error in using only the predominant cations?

Added by Jose Ignacio C.

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