C. atoms of reactants rearrange to form new substances
Answer: There are four atoms
Explanation: mass of Cl atom is 35.45 amu
Amount of atoms n = m/M = 142 / 35.45 = 4
The answer is 232 plus 450
I would say A but then again im not too sure so hope that makes it easier to somehow
Answer:.633
Explanation:
I have know idea but it was right