Linked from
The 23 pages that link to Phosphoric acid, each with the reason it gives.
PhosphateRelated: Its stepwise deprotonation produces the major phosphate forms in water.
Phosphorus pentoxideRelated: Reaction with water converts phosphorus pentoxide into phosphoric acid.
Phosphate rockRelated: Wet-process phosphoric acid is a major intermediate made from phosphate rock.
Phosphate miningRelated: Most fertilizer-grade phosphate rock is converted into phosphoric acid.
Acid anhydrideRelated: Hydration of phosphorus pentoxide produces this acid.
Acid saltRelated: Its three ionizable protons allow several distinct acid salts to form.