Potassium perchlorate decomposes as follows: KClO4 (s) --> KCl (s) + 2 O2 (g)

Question

If 269 mL of wet O2 (g) is collected over water at 25 c (vapor pressure= 23.8 torr) and the barometric pressure is 748.0 torr, how many grams of potassium perchlorate have decomposed?

Answer 1

See 10:14pm post.