The answer is b physical change
Which essential oils? How much are you extracting?
B. Or D. Im confused they both make sence
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
Answer: Lithium—7 is more abundant with 94.1%
Explanation:Please see attachment for explanation