Question

What is the mass of 2.6 mol of lithium bromide?

Answer 1

`1` mol of lithium bromide has a mass of `86.85` `g*mol^-1`. You have `2.6` moles of the stuff.

Explanation:

So mass `=` `86.85` `g*cancel(mol^-1)` `xx` `2.6` `cancel(mol)` `=` `??` `g`.