1. You have a 26.98 g piece of aluminum. A) How many moles are in 26.98 g of Al? B) How many atoms are in 26.98 g of Al? C) How many moles are in 5.00 g of Al? D) How many atoms are in 5.00 g of Al? 2. You have a 20.00 g piece of zinc. A) How many moles are in 20.00 g of Zn? B) How many atoms are in 20.00 g of Zn? C) How many moles are in 5.00 g of Al? D) How many atoms are in 5.00 g of Zn? 3. You have a sample containing 10.00 g of AlCl3? A) What is the molecular mass of AlCl3? B) How many moles of AlCl3 are in the sample? C) How many moles of Al3+ are in the sample? D) How many moles of Cl are in the sample? E) How many grams of Al3+ are in the sample? F) How many grams of Cl are in the sample? 4. You dissolve 25.00 g of AlCl3 in 1.0 L of deionized H2O. A) How many moles of AlCl3 are dissolved? B) How many molecules of AlCl3 are dissolved? C) What is the concentration of the solution in mol/L? 5. You have a flask containing CaCl2 solution (0.