- 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.
- 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.
- 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.)
- IN YOUR OWN WORDS, clearly explain the purpose of a "net ionic equation."
As part of your explanation, explain what a "spectator ion" is.