1. 64.3 g Na2CO3 was dissolved in water and reacted with an excess of aqueous AlCl3 in a beaker. a. Write the balanced chemical reaction. b. What are all the mole ratios of this problem?c. How much NaCl was formed? 2. 13.6 g of Ethane (C2H6) is allowed to burn in the air to form CO2 and H2O. a. Write the balanced chemical reaction. b. How much oxygen was used up?c. How much water vapor was formed?3.

3. 8.45 g of Aqueous potassium phosphate is reacted with 6.23 g of calcium nitrate. a. Write the balanced chemical equation. b. What is the limiting reactant?c. What is the theoretical yield of Ca3(PO4)2?d. If 2.42 g of Calcium phosphate is filtered out of the resulting solution, what is the actual yield?e. What is the percent yield of this reaction?f. How much of the excess was left over?4.

4. 5.67 grams of nickel (III) acetate is added to 85.6 mL of a 0.786 M lithium carbonate and allowed to react. a. Write the balanced chemical equation. b. What is the limiting reactant?c. What is the theoretical yield of the Ni2(CO3)3? d. If 3.58 g of nickel (III) carbonate is filtered out of the resulting solution, what is the actual yield?e. What is the percent yield of this reaction?f. How much of the excess was left over?

Please, I want at least ONE or two of these answered with EXPLINATION; I seriously want to learn how to do stoichiometry propely and no study guides have helped.