0.3354 g of  ethambutol hydrochloride tablet powder was weighed Volume e of acetous perchloric acid required to titrate ethambutol hydrochloride = 14.2 mL Concentration of acetous perchloric acid = 0.1014 weight of 20 tablets = 3.367 g stated content of ethambutol hydrochloride per tablet = 100 mg. Calculate the % of stated content in the tablets.

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