Science, asked by KGB, 1 year ago

Differentiate between a strong acid and a weak acid.

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Answered by Anonymous
3


Difference between strong acids and weak acids is:

A strong acid is completely (100%) ionised. An example of a strong acid is hydrochloric acid. A strong acid has a pH of 1.

hydrogen chloride (in water)  ------>  hydrogen ion  +  chloride ion

  HCl(aq)  ------>  H+(aq)  + Cl-(aq)

All of the hydrogen chloride molecules become hydrogen ions and chloride ions when they are dissolved in water.

A weak acid is only partly (less than 100%) ionised. An example of a weak acid is ethanoic acid. A weak acid has a pH of 3 to 5.

ethanoic acid (in water)  ↔  hydrogen ion  +  ethanoic ion

CH3CO2H(aq)   ↔ H+(aq) +  CH3CO2-(aq)

Some of the ethanoic acid molecules become ions in water but most of them stay as molecules. The reaction is reversible.

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Answered by Anonymous
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HEY MATE!!

Plzz refer the attachment

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