A municipal water supplier reported concentrations of inorganic contaminants in treated drinking water as shown in the following table.

(a) Total hardness (meq/L)

(b) Carbonate hardness (meq/L)

(c) Total dissolved solids (mg/L)

(d) Alkalinity (meq/L)

(e) Ionic strength (M)

(f) pH

(g) Check the electroneutrality balance.

2.15 River water quality Given the characteristics listed below for a "typical" river, determine the following parameters related to drinking water quality. The water temperature is 25C. (a) Total hardness (meq/L) (b) Carbonate hardness (meq/L) (c) Total dissolved solids (mg/L) (d) Alkalinity (meq/L) (e) Ionic strength (M) (f) pH (g) Check the electroneutrality balance