Atomic mass is the answer!!
Explanation: An elements atomic number won’t be able to change
Answer:
126 moles
Explanation:
2S +3 o2=2so3
So if 2 moles of so3 required 3 moles of oxygen
. So 84 moles of so3 will require 84*3/2=126 moles of oxygen
The order of the answers are as follows:
B
C
D
A
