A solution of sodium thiosulfate, Na2S2O3, is 0.4661 M. 12.77 mL of this solution reacts with 18.06 mL of I2 solution. What is the molarity of the I2 solution?2(Na2S2O3) + I2↔Na2S4O6 + 2(NaI)16.42 mL of the I2 solution from above is required to titrate a sample containing As2O3. Calculate the mass of As2O3 (197.8 g/mol) in the sample.As2O3 + 5(H2O) + 2I2 → 2(H3AsO4) + 4HI

The ratio of mass of solute to the volume of solution in liters is known as molarity.

Answered: A solution of sodium thiosulfate,…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 51QRT: Consider a 13.0% solution of sulfuric acid, H2SO4,whose density is 1.090 g/mL. (a) Calculate the...

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A solution of sodium thiosulfate, Na₂S₂O₃, is 0.4661 M. 12.77 mL of this solution reacts with 18.06 mL of I₂ solution. What is the molarity of the I₂ solution?

2(Na₂S₂O₃) + I₂↔Na₂S₄O₆ + 2(NaI)

16.42 mL of the I₂ solution from above is required to titrate a sample containing As₂O₃. Calculate the mass of As₂O₃ (197.8 g/mol) in the sample.

As₂O₃ + 5(H₂O) + 2I₂ → 2(H₃AsO₄) + 4HI

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