Answer:
77%
1.98/2.57= 0.770428016 = 77%
Answer: 7.41 L of O2
Explanation:
2H2O2(l) ----> 2H2O(l) + O2(g)
22.5 g H2O2 x __1 mol__ x __1 mol O2__ x __22.4 L__ = 7.41 L of O2
34.016 g 2 mol H2O2 1 mol O2
There are six atoms of oxygen in that compound.
I don't think so but I am not very good with this sort of stuff. I think it would depend on the drink mix.