hydrogen ion H+
found in water and water solutions; produces an acidic solution; allows cells to remain hydrated
hydroxide ion OH-
contribute to bases; found in water & water solutions; produces an alkaline solution; oxygen and a hydrogen atom
offers a measurement of how acidic or basic a solution is; under 7= acidic, over 7= basic, 7=neutral
chemical substances that prevent a sharp change in the pH of a fluid when an acid or base is added to it
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