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Calculate the pH and concentrations of the following species in a 0.025 M carbonic acid solution....

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Chemistry

Calculate the pH and concentrations of the following species ina 0.025 M carbonic acid solution. (Given Ka1 = 4.3x10-7 and Ka2 =5.6x10-11)

a) H2CO3

b) HCO3-

c) CO32-

d) H+

e) OH

Answer & Explanation Solved by verified expert
4.3 Ratings (882 Votes)
There are two equilibrium expressions that need to be considered Since we are dealing with a diprotic acid we have two acid dissociation reactions requiring our attention First one should notice that in    See Answer
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