The purity of hydrazine, N2H4 is determined by titration with iodine. A sample of the oily liquid weighing 1.4286 is dissolved in water and diluted to 1.00L in volumetric flask. A solution of 50.00mL aliquot is taken with a pipet and titrated with a standard iodine solution, requiring 42.41 mL. The iodine was standardized against 0.4123g of

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