Gas
Stoichiometry #4
How many liters of oxygen gas, at 37.0°C and 0.930 atmospheres, can be collected from the complete
decomposition of 50.0 grams of potassium chlorate?
2 KClO3(s) à 2 KCl(s) + 3 O2(g)
= “n” mol O2
50.0 g KClO3
1 mol KClO3
122.55 g KClO3
3 mol O2
2 mol KClO3
0.612
mol O2
= 16.7 L