text: which of the following is a balanced equation?? thanks for all that you do for me? a. 2 na (cr) + 2 h2o (1) --> 2 naoh (aq) + h2 (g) b. na (cr) + 2 h2o (1) --> 2 naoh (aq) + h2 (g) c. 2 na (cr) + 2 h2o (1) --> 2 na oh (aq) + 2 h2 (g) count up the na, h and o atoms each side. you will find that only in the first one do you have two of each of na and o, and 4 of h.