A 550 mL sample of Oxygen gas is collected over water at atemperature of 21.0 degree Celcius and a pressure of 743 mmHgaccording to the following reaction. (Vapor pressure of water at21.0 degree Celcius = 18.7 mmHg, 1 atm = 760 mmHg)
2KClO3 (s) --> 2KCl (s) + 3O2 (g)
a. How many mols of Oxygen was collected?
b. How many grams of potassium chloratereacted?