Linked from
The 27 pages that link to Mole, each with the reason it gives.
StoichiometryRelated: Moles connect equation ratios to measurable amounts of reacting particles.
ConcentrationRelated: Molar concentration uses moles of solute as its numerator.
SI base unitRelated: It is the base unit assigned to amount of substance.
Avogadro constantRelated: One mole contains exactly this many specified entities.
Mole fractionRelated: Mole fraction compares component amounts commonly expressed in moles.
Amount of substanceRelated: Amount of substance is expressed in moles, with the entity type stated.
Avogadro's lawRelated: The law counts molecules through the amount of gas measured in moles.
GasRelated: The mole counts gas particles in equations and laboratory measurements.
Gas constantRelated: R is expressed per mole, so the mole determines its amount-of-substance scale.
Standard temperature and pressureRelated: Gas volumes at STP are often stated for one mole.
KatalRelated: The katal’s numerator is one mole of converted substance.