<p>Name: ______Date: ______Period: ____ General Chemistry Chapter 12 Packet – Advanced Stoichiometry Part 1 Part 2 Part 3 Part 4 Part 5 TOTAL POINTS DUE DUE DUE DUE DUE (10 points per stamp) /50</p><p>PART 1 – BALANCE THE FOLLOWING EQUATIONS: Balance The Equation & Name the type of reaction! Coefficients</p><p>1 __ Fe + __ CuSO4  __ Fe2(SO4)3 + __ Cu</p><p>2 __ C3H8 + __ O2  __ CO2 + __ H2O</p><p>3 __ AgNO3 + __ Na2CO3  __ Ag2CO3 + __ NaNO3</p><p>4 __ FeBr3 + __ Ba(OH)2  __ Fe(OH)3 + __ BaBr2</p><p>5 __ Ca(OH)2  __ CaO + __ H2O</p><p>6 __ Al + __ H2SO4  __ Al2(SO4)3 + __ H2</p><p>7 __ Mg(ClO3)2  __ MgCl2 + __ O2</p><p>Review Converting From Moles to Mass (grams): Page 1 1. What is the mass of 3.00moles of NaCl?</p><p>2. How many moles are in 27.00g of H2O.</p><p>-3 3. What is the mass of 4.52x10 moles of C3H8?</p><p>-1 4. Find the number of moles in 3.70x10 grams of Boron.</p><p>5. What is the mass of 9.45mol of Al2O3?</p><p>6. How many grams are in 2.5mol of Fe(OH)2?</p><p>7. Calculate number of moles in 32.0g of CH4.</p><p>8. Determine grams in 1.204mole of NH3.</p><p>POSSIBLE ANSWERS TO PART 1 -2 2 -1 3.42x10 mol B 1.75x10 g NaCl 1.99x10 g C3H8 2 2 0 2.2x10 g Fe(OH)2 9.64x10 g Al2O3 1.99x10 mol CH4 0 1 1.498x10 mol H2O 2.052x10 g NH3</p><p>PART 2 - MOLE RATIOS</p><p>Page 2 1. Given this equation: N2 + 3H2  2NH3, write the following molar ratios: N NH a. 2 = b. 3 = H2 H2</p><p>2. Given the following equation: 8 H2+ S8  8 H2S, write the following molar ratios:</p><p>H2 H2S a. = b. = H2S S8</p><p>3. Answer the following questions for this equation: 2H2 + O2  2H2O a. Suppose you had 20 moles of H2, how many moles of H2O could you make?</p><p> b. Suppose you had 20 moles of O2, how many moles of H2O could you make?</p><p>4. Use this equation: N2 + 3H2  2NH3, for the following problems a. If you used 1 mole of N2, how many moles of NH3 could be produced?</p><p> b. If 10 moles of NH3 were produced, how many moles of N2 would be required? </p><p> c. If 3.00 moles of H2 were used, how many moles of NH3 would be made?</p><p>5. Use the following equation to answer the questions below: N2 + 3H2  2NH3 a. How many moles of NH3 are in 1.75 moles of N2?</p><p> b. How many moles of N2 are in 5.23 moles of H2?</p><p> c. How many moles of H2 are in 3.02 moles of NH3?</p><p>6. Use the following equation to answer the questions below: 2H2 + O2  2H2O a. How many moles of H2 are in 7.10 moles of O2?</p><p> b. How many moles of O2 are in 2.27 moles of H2O?</p><p>ANSWERS TO PRACTICE #3 1.74 2 2:3 14.2 5 20 2 8:1 1.14 3.5 4.53 40 1:3 8:8 PART 3 - MASS TO MASS CALCULATIONS Page 3 1. 12.0 moles of NaClO3 will produce how many grams of O2? 2 NaClO3  2 NaCl + 3 O2</p><p>2. How many grams of Cu are needed to react with 3.50mol of AgNO3? Cu + 2AgNO3  Cu(NO3)2 + 2Ag</p><p>3. How many grams of KCl is produced from 2.50moles of K and excess Cl2. 2 K + Cl2  2 KCl</p><p>2 4. How many grams of NaOH is produced from 1.2 x 10 moles of Na2O? Na2O + H2O  2 NaOH</p><p>2 5. How many grams of Na2O are required to make 1.60 x 10 g of NaOH? Na2O + H2O  2 NaOH</p><p>6. What mass of iron is needed to react with 16.0 grams of sulfur (S8)? 8 Fe + S8  8 FeS</p><p>7. How many grams NaCl are produced when 80.0g of O2 are produced? 2 NaClO3  2 NaCl + 3 O2</p><p>8. If 89.5 moles of Ag were produced, how many grams of Cu reacted? Cu + 2AgNO3  Cu(NO3)2 + 2Ag</p><p>9. The average human requires 120.0 grams of glucose (C6H12O6) per day. How many grams of CO2 are required for this amount of glucose? 6 CO2 + 6 H2O  C6H12O6 + 6 O2</p><p>10. What is the mass of magnesium oxide (MgO) when 10.00 grams of magnesium (Mg) burn in an excess of oxygen, as shown in the following equation? 2Mg + O2  2MgO </p><p>POSSIBLE ANSWERS TO PRACTICE #3 16.58 297 0.68 284 124 186 16.58 27.9 576 175.9 1.8 97.4 17.5 9600 PART 4 – MASS TO MASS CALCULATIONS CONTINUED Page 4 11. How many grams of potassium nitrate (KNO3) are required to produce 5.00 g of potassium nitrite (KNO2) according to the following equation? 2KNO3  2KNO2 + O2</p><p>12. How many grams of MgCl2 are produced when 8.2 grams of Mg react with an excess of HCl according to the following unbalanced chemical equation: Mg (s) + HCl (aq)  MgCl2 (aq) + H2 (g)</p><p>13. Determine the mass of lithium hydroxide produced when 0.38 grams of lithium nitride reacts with water according to the following unbalanced chemical equation: Li3N (s) + H2O (l)  NH3 (g) + LiOH (aq)</p><p>14. What mass of sodium chloride is produced when chlorine gas reacts with 0.29 grams of sodium iodide according to the following unbalanced chemical equation: Cl2 + NaI  NaCl + I2</p><p>15. Determine the mass of carbon dioxide produced when 0.85 grams of butane (C4H10) reacts with oxygen according to the following unbalanced chemical equation: C4H10 (l) + O2 (g)  CO2 (g) + H2O (g)</p><p>16. Determine the mass of antimony produced when 0.46 grams of antimony (III) oxide reacts with carbon according to the following unbalanced equation: Sb2O3 (s) + C (s)  Sb (s) + CO (g)</p><p>POSSIBLE ANSWERS TO PRACTICE #4 0.11 0.38 0.68 2.6 0.78 31 5.94 2760 529 1.8 43.9 17.5 4.77 155 26.4 PART 5 - VOLUME TO VOLUME CALCULATIONS 1. Convert 2.37L of H2 gas at STP to liters of NH3 using the following equation: 3H2 + N2  2NH3</p><p>Page 5 2. How many liters of nitrogen dioxide gas are produced when 34L of oxygen react with nitrogen monoxide at STP? 2NO + O2  2NO2</p><p>3. How many liters of O2 gas at STP are required to burn 3.86L of carbon monoxide? 2CO + O2  2CO2</p><p>4. How many liters of PH3 are formed when 0.42L of hydrogen gas at STP react with phosphorus? P4 + 6H2  4PH3</p><p>5. How many liters of NO gas at STP are produced when 1.40L of oxygen reacts with ammonia? 4NH3 + 5O2  4NO + 6H2O</p><p>6. How many liters of O2 gas at STP are needed to produce 20.4L of SO3? 2SO2 + O2  2SO3</p><p>7. Calculate the volume of sulfur dioxide gas at STP produced when 27.9L of O2 reacts with carbon disulfide. CS2 + 3O2  CO2 + 2SO2</p><p>8. How many liters of carbon dioxide are produced when 0.38L of SO2 gas at STP is formed? CS2 + 3O2  CO2 + 2SO2</p><p>9. How many liters of NO2 gas at STP are produced if 6.5L of O2 gas reacts? 2NO + O2  2NO2</p><p>10. How many liters of NH3 gas at STP are produced when 89.2L of oxygen reacts with ammonia? 4NH3 + 5O2  4NO + 6H2O</p><p>ANSWERS TO PRACTICE #5 0.28 1.93 18.6 1.12 10.2 0.19 13 71.4 1.58 68</p><p>Page 6</p>