Question

4- Giving the following analysis of groundwater, a) Construct a bar chart of the constituents, expressed as CaCO3. b) Determine the amount of lime soda as CaCO3 necessary to soften the water to 80.00 mg/L hardness CaCO3. Ion mg/L mg/L as CaCO3 Ca2+ 134 Mg2+ 7.2 Nat HCO 20.8 331.5 63.7 SO42- CL 48.1 NO2 50.5 ORP 32.3

Answer 1

Given that, We have to caluclate the following analysis of ground water and also caluclase @ and 6. @ construct a bar Chart of the constituents , expressed as CaCO3 Soil gram equation X = gram equation caco3. Masg op mula gram equation X = (Molecules op weight op'x'/change on 1cm) = 134. 134 So. X = 335 mgle → is 335 mg of cute as Caco3 In a given table Ion T ngla mgle as (aco3 134 335 Cart mg2+ 7.2 29.62 45.25 nat HCO 304 20.8 331.5 63.7 271.72 66.35 67.746 54.89 CL 48.1 NO2 s Orpned with CamScanner 50.5 32.3

:. The charge on NO = -1 Topp - Coxilation Reduction potential?] Determine the amount of lime Soda as cacos necess24 to soften the water to 80.00 mgle haudness CaCO 3. The total hardness - latz as caco3 + matt and CaCO3 • 335+ 29.62 = 364.62 so. The amount of time as Cacoz is require = 364.62 – 80 = 284.62 + Now, draw the graph based on given table above : 33.5 271.72 67.746 [angle as cacos] 66.35 4525 29.621 54.89 sou cí Ingat/Not / HCO3 s042-1 NO2 cs Scanntech-ortul CamScanner - 0