# How does Borax Solution act as a buffer? [closed]

What type of buffer is it? If it's a Weak Acid-Conjugate Base type of buffer, what is the weak acid and conjugate base?

## closed as off-topic by airhuff, MaxW, a-cyclohexane-molecule, A.K., aventurinOct 18 '18 at 16:35

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Borax reacts in hydrochloric acid in the preparation of the buffer to give the boric acid through the following reaction $$\ce{Na2B4O7.5H2O + 2HCl -> 4H3BO3 + 2NaCl + 5H2O}$$