Acid equilibrium question
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Acid equilibrium question

[From: ] [author: ] [Date: 12-04-10] [Hit: ]
the barbiturates. Its pKa is 4.01. What will be the [H+] and pH of a 0.050 M solution of H-Bar?For the question above,......
Barbituric acid, H-Bar, was discovered by Adolph von Baeyer (of Baeyer aspirin fame) and named after a friend, Barbara. It is the parent compound of widely used sleeping drugs, the barbiturates. Its pKa is 4.01. What will be the [H+] and pH of a 0.050 M solution of H-Bar?

For the question above, on the K expression, do you include the A-?

So, for example [H+][Bar-]/[H-Bar]?

Normally it's like [CNO-][H+]/[HCNO], so I was wondering if you would include the thing you add to H+ to make the acid in the k expression if it's not given.

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reallyyyyy muhgda???? hahahhahaha!!! i was wondering the same thing! :) nisha btw

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Oh my gosh I just searched this problem on the internet and found this!!! We are soo nerdy!! Amir btw.

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hahhaha the only web pages that came up were this one and a worksheet with the questions and nooooo answeres!!!! and this is what i got for H: 2.21 x 10 ^-3 and for pH: 2.66

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