Question

2H2O --> 2H2 + O2 If you begin with 20 grams of H2O, how many moles of O2 are produced?

Answer 1

17.78 gm

Step-by-step explanation:

2 H20 mole weight = 36 gm

which leads to 32 gm O2

36 / 32 = 20 / x x = 17.78 gm