Questions/p-block Group 13 & 14/How is Boric Acid pr...
Orthoboric acidp-block Group 13 & 14

How is Boric Acid prepared from Borax?

Expert Answer

Boric acid can be precipitated by acidifying a concentrated aqueous solution of Borax with hydrochloric acid or sulphuric acid. Reaction: Na2B4O7+2HCl+5H2O2NaCl+4H3BO3Na_2B_4O_7 + 2HCl + 5H_2O \rightarrow 2NaCl + 4H_3BO_3

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