The hydrocarbon octane has the structural formula CH₃(CH₂)₆CH₃.What is the molecular mass of this hydrocarbon? A)114.2 amu. B)0.008754 amu. C)100.1 amu. D)0.009984432 amu. E)124.2 amu.

Question

Quizplus · Accepted Answer

The molecular formula of octane is C8H18. The atomic masses are approximately 12 amu for carbon and 1 amu for hydrogen. Therefore, the molecular mass is (8*12) + (18*1) = 114 amu.

The Hydrocarbon Octane Has the Structural Formula CH3(CH2)6CH3

The Hydrocarbon Octane Has the Structural Formula CH₃(CH₂)₆CH₃