Polyprotic Acids

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Briana Yik 1H
Posts: 21
Joined: Thu Sep 27, 2018 11:20 pm

Polyprotic Acids

Postby Briana Yik 1H » Fri Jan 18, 2019 12:38 am

Do we always disregard the second equation of polyprotic acids when calculating concentrations?

Mona Lee 4L
Posts: 48
Joined: Thu Sep 27, 2018 11:16 pm

Re: Polyprotic Acids

Postby Mona Lee 4L » Fri Jan 18, 2019 1:48 am

Not always. For example, you use Ka2 for H2SO4 because Ka1 is very strong. However, in most cases, you can disregard the second because it is much smaller and basically insignificant.


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