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 g
D. 330 g
E. 476 g
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