102. Solving a chemistry problem
8. To an aqueous solution of Na2SO3 was added 25.00 ml of 0.1 N. I2 solution (K = 1.050) 4.00 ml of 0.09000 M Na2S203 solution was used for titration of excess iodine. Calculate the mass of sodium sulfite. Answer: 0.1427 g
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