Answer:
The answer is "3.81041978"
Explanation:


In 1860 





The reaction: 2H2(g) + O2(g) → 2H2O(g), can be interpreted as: a. 2 moles of hydrogen gas reacts with 1 mole of oxygen gas to produce 2 moles of water.
Answer:
I think the answer is
Our solar system will always be part of the Milky Way.