midterm q3d

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WGaines_2E
Posts: 47
Joined: Mon Nov 18, 2019 12:18 am

midterm q3d

Postby WGaines_2E » Mon Mar 09, 2020 9:37 pm

At pH 6 what is the net charge for acetic acid CH3COOH (pKa = 4.75)?

How do you find charge from these given values? My only guess was to subtract the two but I know its not that easy

Harry Zhang 1B
Posts: 101
Joined: Sat Sep 14, 2019 12:16 am

Re: midterm q3d

Postby Harry Zhang 1B » Mon Mar 09, 2020 9:42 pm

Since the pka is lower than the ph given, the acetic acid will act as an acid and will partially dissociate into H3o+ and CH3COO^-. Therefore, its net charge is -1.


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