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PRACTICE PROBLEMS

PRACTICE PROBLEMS. How many moles of glucose, C 6 H 12 O 6 , can be burned when 10.0 mol of oxygen is available? C 6 H 12 O 6 ( s ) + 6O 2 ( g )  6CO 2 ( g ) + 6H 2 O( l ). How many moles of H 3 PO 4 are produced when 71.0 g P 4 O 10 reacts completely to form H 3 PO 4 ?.

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PRACTICE PROBLEMS

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  1. PRACTICE PROBLEMS • How many moles of glucose, C6H12 O6 , can be burned when 10.0 mol of oxygen is available? • C6H12 O6 (s) + 6O2 (g)  6CO2 (g) + 6H2O(l)

  2. How many moles of H3PO4 are produced when 71.0 g P4O10 reacts completely to form H3PO4 ?

  3. How many liters of NH3 , at STP, will react with 5.3 g O2 to form NO2 and water? • 4NH3 (g) + 7O2 (g)  4NO2 + 6H2 O(g)

  4. If 8.00 mol of NH3 reacted with 14.0 mol of O2 how many moles of H2O will be produced? • 4NH3 (g) + 7O2 (g)  4NO2 + 6H2 O(g)

  5. How many liters of O2 are needed to react completely with 45.0 L of H2 S at STP? • 2H2S(g) + 3O2 (g) 2SO2 (g) + 2H2 O(g)

  6. Hydrogen gas is produced when zinc reacts with hydrochloric acid. If the actual yield of this reaction is 85%, how many grams of zinc are needed to produce 112 L of H2 at STP? • Zn(s) + 2HCl(aq) ZnCl2 (s) + H2 (g)

  7. The decomposition of potassium chlorate yields oxygen gas. If the yield is 95%, how many grams of KClO3 are needed to produce 10.0 L of O2 ? • 2KClO3 (s)2KCl(s) + 3O2 (g)

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