What is the formula of boric acid, and how do we use it in an acid-base titration?

1 Answer
anor277
Aug 2, 2017

The formula for boric acid is #H_3BO_3#.........

Explanation:

And we could represent its ionization as......

#H_3BO_3 + H_2O rightleftharpoons H_2BO_3^(-) + H_2O#

#K_a=5.75xx10^(-10)#........and thus a second ionization would be unlikely. In fact, when we titrate boric acid, we often add excess mannitol, (a sugar), to bind to the acid, and this species gives a better endpoint.....

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