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How many grams of O2 are required to burn 18 grams of C5H12? C5H12 + 8O2 >>>5CO2 + 6H2O?

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How many grams of O2 are required to burn 18 grams of C5H12?

C5H12 + 8O2 >>>5CO2 + 6H2O

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  1. 64 grams.  Elementary stoichiometry...


  2. molar mass of C5H12 is 72 g/mole so 18 g will be 0.25 mole.

    if you need 8x32 grams of oxygen to burn 1 mole C5H12 you will need 8x32/4 grams of oxygen to burn 0.25 mole C5H12
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