What mass is the of 4.52 x 10-3 moles of C20H42?

Answer 1

There are two types and many other isomers of C20H42

(wikipedia citation "It has 366,319"; all of them have different physical properties)

1.

n-Icosane (alternative spelling eicosane) Density of the UNbranched n-icosane: 932 mg mL−1 (at 20 °C)

Molecular formula CH3(CH2)18CH3

2. IUPAC name: 2,6,10,14-Tetramethylhexadecane. Density 791 mg mL−1 (at 20 °C).

Molecular formula: CH3CH(CH3)CH2CH2-(CH2CH(CH3)CH2CH2)-(CH2CH(CH3)CH2CH2)-CH2CH(CH3)CH2CH3

Answer 2

The mass is 1,277 g.

Answer 3

.779 g/mL

Answer 4

eciosane