Question

Find the mass in 2.6 mol of lithium bromide

Answer 1

2.6 mol LiBr* (86.8 g LiBr/ 1 mol LiBr)= 2.3*10^2 g LiBr.

The mass of LiBr is 2.3*10^2 g~

Answer 2

I got 225.797g Explanation

I found the mass of the whole compound by adding up the mass numbers of LiBr. This gave me 86.845. I then multiplied that by the 2.6 and that gave me 225.797