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Ammonia or azane is a compound of nitrogen and hydrogen with the formula NH 3. It is a colourless gas with a characteristic pungent smell. Ammonia contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to food and fertilizers.mmonia is miscible with water. In an aqueous solution, it can be expelled by boiling. The aqueous solution of ammonia is basic. The maximum concentration of ammonia in water (a saturated solution) has a density of 0.880 g/cm 3 and is often known as '.880 ammonia'.
The pH of a liquid refers to the concentration of hydrogen ions in a liquid. (technically, it is the concentration of the hydronium ion H3O+ in a liquid in units of moleâ¦s per litre)   This is not a direct value however, pH is actually equal to -log10(moles/litre of hydrogen). Parker-Hannifin Corporation.