Problem: How many grams of oxygen are formed when 6.21 moles of KOH are formed?  4 KO (s) + 2 H2O (l) → 4 KOH (s) + O2 (g) A) 11.7 g O2 B) 27.9 g O2 C) 3.59 g O2 D) 19.9 g O2 E) 49.7 g O2

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Problem Details

How many grams of oxygen are formed when 6.21 moles of KOH are formed? 

4 KO (s) + 2 H2O (l) → 4 KOH (s) + O(g)

A) 11.7 g O2

B) 27.9 g O2

C) 3.59 g O2

D) 19.9 g O2

E) 49.7 g O2

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