Question

What is the mass of 1.5 mol `C_5H_12?`

Answer 1

Fill er up with `108.2` `g` petrol.

Explanation:

Pentane has a molar mass of `72.15*g*mol^-1`. A `1.5` `mol` quantity has a mass of `1.5*cancel(mol)xx72.15*g*cancel(mol^-1)` `=` `??g`