Question

Part B Calculate the mass of water produced when 8.32 g of butane reacts with excess oxygen. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units Submit Part C Calculate the mass of butane needed to produce 73.4 g of carbon dioxide. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units

Answer 1

2C4H10(g) + 13O2(g) -----------> 8CO2(g) + 10H2O(g)

2 moles of C4H10 on combustion to gives 10 moles of H2O

2*58g of C4H10   on combustion to gives 10*18g of H2O

8.32g of C4H10 on combustion to gives = 10*18*8.32/2*58    = 12.9g of H2O

part-C

2C4H10(g) + 13O2(g) -----------> 8CO2(g) + 10H2O(g)

8 moles of CO2 produced from 2 moles of C4H10

8*44g of CO2 produced from 2*58g of C4H10

73.4g of CO2 produced from = 2*58*73.4/8*44   = 24.2g of C4H10