What is stoichiometry?

What will be the activity coefficient of a solution consisting of monovalent ions?

What is the minimum amount of DO required for the life survival of aquatic animals?

2NH3 +3O2 -> 2NO2– + ___ + 2H2O.

_______ means that a substance can be converted into simpler compounds by biologically mediated reactions.

Which of the following is an intensive method of land treatment?

Flowing water bodies recover rapidly.

In dilute solutions which are normally encountered in water treatment what is the value of the activity of coefficient a…