1. In the acid-base neutralization reaction Ca(OH)2 (aq) + 2 HNO3 (aq) ---» 2 H2O (l) + Ca(NO3)2 (aq), identify a) the acid b) the base c) the salt As part of your answer, explain HOW you identified each of these components.
2. In the redox equation 2 Al (s) + 3 Br2 (l) ---» 2 AlBr3 (s), identify a) the oxidizing agent AND it's change in # of electrons from the reactant side to the product side; b) the reducing agent AND it's change in # of electrons from the reactant side to the product side.
3. Consider the reaction B2O3 (l) + 3 Mg (s) ---» 2 B (s) + 3 MgO (s) What is the percent yield if 675 grams of boron is obtained from the reaction of 2350 grams of boric oxide? Given: the molar mass of boric oxide is 69.6 grams per mole. (Note: you are not obligated to show your work, but if you choose to show your work, partial credit for incorrect solutions may be given.)
4. IN YOUR OWN  WORDS, clearly explain the purpose of a "net ionic equation."   

As part of your explanation, explain what a "spectator ion" is.