Which of the following correctly illustrates the conservation of mass for the reaction below? 4Na(s) + O2(g) → 2Na2O(s)

A. 92.0 g Na, 16.0 g 02, 108 g Na20
B. 23.0 g Na, 16.0 g O2, 39.0 g Na20
C. 23.0 g Na, 16.0 g 02, 124 g Na2O
D. 92.0 g Na, 16.0 g O2, 124 g Na20
E.   92.0 g Na, 32.0 g 02, 124 g Na2o