Alkalinity of water, in equivalent/litre (eq/litre), is given by{HCO−3}+2{CO−23}+{OH−}−{H+}where, { } represents concentration in mol/litre. For a water sample , the concentrations of HCO−3=2×10−3mol/litre, CO2−3=3.04×10−4mol/litreand the pH of water =9.0. The atomic weights are: Ca=40; C=12 and O=16. If the concentration of OH−and H+ are NEGLECTED, the alkalinity of the water sample (in mg/litre as CaCO3) is

Alkalinity of water, in equivalent/litre (eq/litre), is given by{HCO�

1.	Alkalinity of water, in equivalent/litre (eq/litre), is given by{HCO−3}+2{CO−23}+{OH−}−{H+}where, { } represents concentration in mol/litre. For a water sample , the concentrations of HCO−3=2×10−3mol/litre, CO2−3=3.04×10−4mol/litreand the pH of water =9.0. The atomic weights are: Ca=40; C=12 and O=16. If the concentration of OH−and H+ are NEGLECTED, the alkalinity of the water sample (in mg/litre as CaCO3) is
Answer» $Alkalinity of water, in equivalent/litre (eq/litre), is given by {H C O_{3}^{-}} + 2 {C O_{3}^{- 2}} + {O H^{-}} - {H^{+}}$ where, { } represents concentration in mol/litre. For a water sample , the concentrations of $H C O_{3}^{-} = 2 \times 10^{- 3} m o l / l i t r e,$ $C O_{3}^{2 -} = 3.04 \times 10^{- 4} m o l / l i t r e$ and the pH of water =9.0. The atomic weights are: Ca=40; C=12 and O=16. If the concentration of $O H^{-}$ and $H^{+}$ are $NEGLECTED, the alkalinity of the water sample (in mg/litre as C a C O_{3}$ ) is