give on method of preperation of boric acid give equation
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The equation is (H3BO3)
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Boric acid is prepared by treating borax with nitric acid. Nitric acid is preferred to hydrochloric acid because sodium nitrate is more readily soluble than sodium chloride. Sulfuric acid is not employed because it is not so readily washed out.
Na2B4O7+10H2O+2NHO3 -----> 4H3BO3+2NaNO3+5H20
Na2B4O7+10H2O+2NHO3 -----> 4H3BO3+2NaNO3+5H20
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