Question

Why is ammonia NH3 and ammonium NH4+? What is the difference between them?

Answer 1

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⭐ NH3 (ammonia) is a gas and sometimes called toxic or free ammonia. This type of ammonia is the dangerous part.

⏺NH4 (ammonium) is a nontoxic salt. It is the ionised form of ammonia.

⏹NH3 and NH4 together are often referred to as total ammonia nitrogen (TAN).

⏺Under normal conditions, NH3 (ammonia) and NH4 (ammonium) will both be present in aquarium water. The two exist at an equilibrium point that is governed largely by pH and temperature. However, salinity and the ionic strength of the water also influence this equilibrium point.

Answer 2

Answer:

NH3 (ammonia) is a gas and sometimes called toxic or free ammonia. This type of ammonia is the dangerous part.

• NH4 (ammonium) is a nontoxic salt. It is the ionised form of ammonia.

• NH3 and NH4 together are often referred to as total ammonia nitrogen