Acetate ion

Acetate ion: formula C2H3O2^-, charge −, atomic composition and molar mass.

IonC₂H₃O₂⁻

C₂H₃O₂⁻

Charge−

Molar mass59.044 g/mol

Atoms7

H · Hydrogen3 × H C · Carbon2 × C O · Oxygen2 × O

This ion has a net charge of −. Its formula directly shows the number of atoms of each element.

The displayed molar mass uses the atomic weights of the elements. For ordinary chemical calculations, the mass of electrons gained or lost is negligible at this precision.