A method used by the U.S. Environmental Protection Agency (EPA) for determining the concentration of ozone in air is to pass the air sample through a “bubbler” containing sodium iodide, which removes the ozone according to the following equation:
O3(g) + 2 NaI(aq) + H2O(l) → O2(g) + I2(s) + 2 NaOH(aq)
(a) How many moles of sodium iodide are needed to remove 5.95 × 10-6 mol of O3?; (b) How many grams of sodium iodide are needed to remove 1.3 mg of O3?
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