Answer: sorry hun can’t help with this I was asked different questions when I learned this :,)
Explanation: have a nice day
<span>the answer is
2.7 moles
</span>
Make small talk and become his friend get to know him if he opens up he trust you and then you take it from there.
19) it's not balanced because when adding h2 and o2 u get h2o2 not h2o
20) I'm not sure