Answer:
25 possibly
Explanation:
I'm not too sure about this, but sodium oxide is Na2O, 2 sodium and 1 oxygen, so 12.5g * 2 is 25
If someone else comes up with a more convincing argument listen to them
Answer:
C
Explanation:
C. Nucleophilic attack and carbocation rearrangement to form the most stable carbocation before the substitution reaction