Acids and Bases

Why is Concentrated sulfuric acid a weaker acid compared to dilute sulfuric acid?

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2013-04-21 05:16:51
2013-04-21 05:16:51

Concentrated sulfuric acid has sulfuric acid molecules where dilute sulfuric acid has sulfate ions and hydrogen ions. Water in the diluted solution acts as the ionization medium.

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A concentrated solution can be weakened by adding more of the solution material (usually water) to dilute it.



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If in pure water, then the acid will dilute and it's pH will grow ever closer to 7, meaning it will be a weaker acid.Very little, really - it is merely diluted, so it is not quite as strong when mixed with water. The more water, the weaker the acid solution becomes.



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