1. The problem statement, all variables and given/known data Which of the following is a correctly written net ionic equation? http://i.minus.com/jYaipNE1rlRic.png [Broken] 2. Relevant equations Net ionic equation eliminate all spectator ions. 3. The attempt at a solution It looks to me as if four of the answer choices are correct. All but one eliminate the spectator ions. How do I distinguish among the answer choices?