Problem- Using the reaction that generates O2 shown below, how many grams of KClO3 is needed to generate 200.0 L of oxygen gas at 646 torr and 273 K? HINT: The molar mass of KClO3 = 122.55 g/mol. 2 KClO3(s) 2 KCl(s) + 3 O2(g)
Illustrate structures to prove your interpretation.