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If the value of a nation's imports exceeds exports,the nation has a
Acetic Acid Solution
A solution composed of acetic acid, often used in vinegar, with acidic properties resulting from the presence of acetic acid.
Buffer Solution
A solution that resists changes in pH upon the addition of small amounts of acid or base, typically made from a weak acid and its conjugate base.
Acid
A substance that can donate a hydrogen ion (H+) and usually has a sour taste.
Base
A substance that can accept hydrogen ions (protons) or more generally, donate a pair of valence electrons.
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