Chemistry

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

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  1. See 10:14pm post.

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