An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To
Chapter 5, Problem 5.109(choose chapter or problem)
An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500.-mL sample at 700. torr and 388C, she adds 20.00 mL of 0.01017 M aqueous iodine, which reacts as follows: SO2(g) 1 I2(aq) 1 H2O(l) - HSO4 2(aq) 1 I 2(aq) 1 H1(aq) 3unbalanced4 Excess I2 reacts with 11.37 mL of 0.0105 M sodium thiosulfate: I2(aq) 1 S2O3 22(aq) - I 2(aq) 1 S4O6 22(aq) 3unbalanced4 What is the volume % of SO2 in the air sample?
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