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Acetic acid:

CH3CO2H + H2O <<----> H3O+ + CH3CO2-

The equilibrium is far more on the left side (<<--), less than 1% is protolised as acid (righthand reaction -->) so it is a weak acid.
Ethanoic Acid is an example of a weak acid, most orgainic acids are weak acids.

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12y ago
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13y ago

Weak Acids: (See links)

acetic acid,

carbonic acid,

citric acid,

formic acid,

lactic acid,

oxalic acid,

phosphorous acid,

phosphoric acid,

tartaric acid,

Weak Bases: (See links)

alanine,

ammonia,

dimethylamine,

ethylamine,

glycine,

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11y ago

Some common weak acids are:

Acid Formula

Formic Acid = HCOOH

Acetic Acid = CH3COOH

Trichloroacetic Acid = CCl3COOH

Hydrofluoric Acid =HF

Hydrocyanic Acid = HCN

Hydrogen sulfide Acid = H2S

Water = H2O

Conjugate acids of weak bases = NH4+

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7y ago

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11y ago

Carbonic acid (water and carbon dioxide) is a weak acid as is ethanoic (acetic) acid (constituent of vinegar). Ammonia is a weak base as are most amines such as triethanolamine.

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14y ago

Examples of a weak acid are lemon juice, an orange, and soda pop

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14y ago

weak acid = ethanoic acid weak base = ammonia

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14y ago

Hydrochloric acid, sulphuric acid and nitric acid

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Q: Examples for weak acid and weak base?
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In order to have an effective buffer, one needs to have a weak acid or a weak base, and the salt (conjugate) of that weak acid or weak base. Examples would be :weak acid/conjugate base: acetic acid/sodium acetateweak base/conjugate acid: ammonia/ammonium chloride


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