Boric acid is a common supplement to make ophthalmic solutions isotonic. It is entirely undissociated at normal

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Boric acid is a common supplement to make ophthalmic solutions isotonic. It is entirely undissociated at normal ophthalmic conditions.

(a) Estimate the concentration (wt%) of boric acid to prepare a solution that is isotonic with human blood.

(b) Estimate the concentration (wt%) of boric acid that should be added to a 0.025wt% solution of Claritin to make it isotonic. The molecular formula of Claritin is listed at ChemSpider.com as C22H23ClN2O2.

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