<p> CLASS SET: DO NOT WRITE ON ME!!! Moles and Stoichiometry Class Work 1) Balance the following reaction: </p><p>2Na(s) + 2H2O(l)  2NaOH (aq) + H2(g) </p><p> a. How many moles of water will react with 3.5 mol of sodium?</p><p> b. How many moles of sodium will react to produce 4.0 mol of hydrogen? </p><p>2) Aluminum will react with sulfuric acid in the following reaction:</p><p>2Al(s) + 3H2SO4(l)  Al2(SO4)3(aq) + 3H2(g)</p><p> a. How many moles of H2SO4 will react with 18 mol of Al?</p><p> b. How many moles of aluminum sulfate will be produced from that reaction?</p><p>3) Propane burns in excess oxygen according to the following reaction.</p><p>C3H8 + 5O2  3CO2 + 4H2O</p><p> a. How many moles of CO2 are formed from 3.85 mol of propane?</p><p> b. If 0.647 mol of oxygen are used, how many moles of C3H8 are consumed? </p><p>4) Ammonium sulfate can be made from the reaction of NH3 with H2SO4 according to the following equation:</p><p>2NH3 + H2SO4  (NH4)2SO4</p><p> a. How many moles of ammonium sulfate can be made from the reaction of 30.0 mol of NH3?</p><p> b. How many moles of sulfuric acid are needed to make 5.00 moles of product?</p><p>5) Ammonia is made industrially by reacting nitrogen and hydrogen under pressure, at high temperature, and in the presence of a catalyst:</p><p>N2 (g) + 3H2(g)  2NH3 (g).</p><p> a. If 4.0 mol of H2 react, how many moles of NH3 will be produced?</p><p> b. How many mol of hydrogen will react with 2.5 mol of N2? </p><p>6) Through electrolysis, water can be decomposed into hydrogen and oxygen gas:</p><p>2H2O(g)  2H2(g) + O2(g)</p><p> a. How many moles of hydrogen are produced from 4 mol H2O?</p><p> b. How many moles of oxygen are produced from that same reaction? 1 CLASS SET: DO NOT WRITE ON ME!!!</p><p>3MgO + 2Na3P  Mg3P2 + 3Na2O </p><p>7. If you have 2 moles of Mg3P2 how many moles of Na3P do you have? </p><p>8. If you have 15 moles of MgO, how many moles of Na2O do you have?</p><p>9. If you have 4 moles of Na3P, how many moles of MgO do you have?</p><p>I2 + 6HNO3  2HIO3 + 6NO2 + 2H2</p><p>10. If you have 30 moles of HNO3 how many moles of H2 do you have?</p><p>11. If you have 22 moles of HIO3, how many moles of I2 do you have?</p><p>12. If you have 14 moles of H2, how many moles of NO2 do you have?</p><p>10. If you have 138 moles of HNO3 how many moles of NO2 do you have?</p><p>2 Cu2O3 + 6 Cl2 à 4 CuCl3 + 3 O2</p><p>(13) How many moles of O2 are produced if 0.5 mol of Cl2 are used?</p><p>14. How many moles of CuCl3 are produced if 0.5 moles of Cu2O3 are used?</p><p>15. How many mole of O2 are produced if 0.2 mol of CuCl3 are used?</p><p>16. How many moles of O2 are produced if 10.0 mole of Cu2O3 are used?</p><p>2</p>