Answer:
Approximately 53.3 %.
Explanation:
Molar mass of C2H4O2
= 2 * 12.011 + 4 * 1.008 + 2 * 15.999
= 60.052
% oxygen = (31.998* 100) / 60.052 = 53.28 %
Answer: I believe it's convection
Good luck and I hope this helps!!
Lithium has one available electron in the outer (valence) shell (2s¹).
1s² 2s¹