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posted by  shaydudu88 on 7/22/2008 7:35:21 PM  |  status: Live  

PRELAB QUESTION HELP IMMEDIATELY

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WILL RaTE YOU 10 POINTS

A buffer solution contains .500 M acetic acid (Ka=1.8x10^-5) and a .500 sodium acetate. What is the pH of the buffer solution?
shayydudududuuddu
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posted by CHEMNATION! on 7/22/2008 7:39:38 PM  |  status: Live
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Response Details:
Since the acid and conjugate base are present in equal amounts, the pH = pKa
pH = -log 1.8E-5
Sorry, I do not have my calculator but I think the number is 4.74
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