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Titrating strong acid and strong base

helloboys

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May 18, 2016
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I thought when creating a buffer, you need a weak acid with its conj base and vise versa. So how is this a BC question, "When titrating the monoprotic acid HCl with NaOH of a known concentration, which of the following must be equal at the equivalence point?"

I thought you can't do a strong acid and a strong base?!
 

Pearl E. White

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May 20, 2014
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I thought when creating a buffer, you need a weak acid with its conj base and vise versa. So how is this a BC question, "When titrating the monoprotic acid HCl with NaOH of a known concentration, which of the following must be equal at the equivalence point?"

I thought you can't do a strong acid and a strong base?!
A titration is very different from a buffer. In a titration, you are usually trying to determine the equivalence point. The point of buffers is to buffer against acid or base addition. So, to answer the BC question, at the equivalence point the moles of acid = the moles of base. Let me know if you have more questions. I love this stuff! :)
 
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