Question

how many ions present in water​

Answer 1

Answer:

The most abundant cations present in water are calcium (Ca), magnesium (Mg), sodium (Na), and potassium (K); the most abundant anions are bicarbonate (HCO3), chloride (Cl), and sulfate (SO4).

Answer 2

Answer:

The list of the main dissolved mineral components of natural waters include the ions Na+, K+, Ca2+, Mg2+, H+, Cl-, HCO3-, CO32-, SO42- and gases O2, N2, CO2 and H2S. In small amounts such ions contain: Fe2+, Fe3+, Mn2+, Br-, I-, F-, BO2-, HPO42-, SO32-, HSO4-, S2O32-, HS-, HSiO3-, HSO3- and gases CH4, Ar, He, Rn.