Question

What is the mass of three moles of ethane?

Answer 1

`"Ethane, "H_3C-CH_3` has a molar mass of `30.07*g*mol^-1`.

Explanation:

And thus the mass of `3` `mol` `=` `3*cancel(mol)xx30.07*g*cancel(mol^-1)` `=` `??*g`