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General Chemistry
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Amphoteric definitions
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Amphoteric species
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Amphoteric species
A compound that can act as both an acid and a base in chemical reactions.
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Amphoteric species
A compound that can act as both an acid and a base in chemical reactions.
Amphiprotic species
A type of amphoteric species that can donate or accept a proton.
Water
A common amphoteric species that can donate an H+ to form OH- or accept an H+ to form H3O+.
Conjugate base
The species formed when an acid donates a proton during a chemical reaction.
Conjugate acid
The species formed when a base accepts a proton during a chemical reaction.
Polyprotic acids
Acids that contain more than one ionizable hydrogen atom, such as H2SO4.
HSO4-
A partially dissociated form of H2SO4 that can act as an amphoteric species.
H2PO4-
A partially dissociated form of H3PO4 that can act as an amphoteric species.
HCO3-
A partially dissociated form of H2CO3 that can act as an amphoteric species.
Negative charge
A characteristic of some amphoteric species, often found at the end of their chemical formula.
H+
A proton that can be donated or accepted by amphoteric species in reactions.
OH-
The ion formed when water acts as an acid and donates an H+.
H3O+
The ion formed when water acts as a base and accepts an H+.