Acid strengths (1 Viewer)

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Explain the following observations a) HCl is a stronger acid than H2S; etc...

I just need to know how to find this out, I read through the chapter but it didn't explain it all that well, and the notes my teacher gave me didn't go over it at all.
 

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You are studying equilibrium of acids or bases. The strength of an acid in this way is how much it dis-associates into ions in solution. A strong acid dissociates completely or nearly completely; a weak acid dissociates not so much. Hydrochloric acid is a strong acid; hydrogen sulfide ( H2S ) is a weak acid; oxalic acid is somewhere in between.
 

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