Molar mass of C2H6O2 = 12 × 2 + 1 × 6 + 16 × 2 = 62 g mol–1 Moles of C2H6O2 = 
1
20 g
62 g mol
= 0 322 mol
Moles of water = 
-1
80 g
18 g mol
 = 4 444 mol


2
6
2
glycol
2
6
2
2
moles of C H O
x
moles of C H O
moles of H O
          

0