Problem: What mass of oxygen is needed for the complete combustion of 155 mL of C6H6 (molar mass = 78.1 g/mol) to produce carbon dioxide and water? Density of C 6H6 = 0.88 g/mL.2 C6H6 (l)   +   15 O 2 (g)   →   12 CO 2 (g)   +   6 H 2O (l) A. 55.9 g          B. 419 g          C. 240 gD. 330 g          E. 476 g

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What mass of oxygen is needed for the complete combustion of 155 mL of C6H6 (molar mass = 78.1 g/mol) to produce carbon dioxide and water? Density of C 6H6 = 0.88 g/mL.

2 C6H(l)   +   15 O 2 (g)   →   12 CO 2 (g)   +   6 H 2O (l)

A. 55.9 g          

B. 419 g          

C. 240 g

D. 330 g          

E. 476 g

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