How many molecules of ethane are contained in 25.0 mL of butane? The density of butane is 0.6011 g/mL and the molar mass is 58.12 g/mol.
A) 2.59 × 1023 molecules butane
B) 1.46 × 1027 molecules butane
C) 6.87 × 1023 molecules butane
D) 1.56 × 1023 molecules butane
E) 7.14 × 1025 molecules butane
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