Which chemical reaction model is flawed? a. 4 c2 + s8 → 4 cs2 b. 2 fe + 3 cl2 → 2 fecl3 c. 2 na + cl2 → 2 nacl d. p4o10 + 6 h2o → 4 h3po4

The equation in option A appears to be flawed.

The left hand side of the first equation contains eight carbon atoms whereas the right hand side contains only four. This equation is thus not properly balanced.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;