120. Solving a chemistry problem

120. Solving a chemistry problem

40. To 25.00 ml of a solution of hydrochloric acid hydroxylamine was added 25.00 ml of a 0.1N solution of KBrO3 (feq = 1/6) (K = 0.9876):

The excess of bromate was titrated iodometrically using 15.00 ml of thiosulfate with T(Na2S2O3)=0.01634. Determine the concentration of the hydroxylamine solution NH2OH (g/l). Answer: 0.2023 g/l.

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