Or is it both a weak acid and weak base OR neither an acid nor a base?
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Water is considered both an acid and a base.
It can donate protons: NH3 + H2O --> NH+ + OH-
It can accept protons: H2O + HCl --> H3O+ + Cl-
So it's a weak acid and a weak base.
It can donate protons: NH3 + H2O --> NH+ + OH-
It can accept protons: H2O + HCl --> H3O+ + Cl-
So it's a weak acid and a weak base.
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HOH is water. It's neutral