CH3COOHNa
MCH3COONa = 82 g/mol
24g C........3g H.......32g O.........23g Na.......82g CH3COONa
w..................x................y..................z....................100g CH3COONa
w = 24*100/82 = 29,27% C
x = 3*100/82 = 3,66% H
y = 32*100/82 = 39,02% O
z = 23*100/82 = 28,04% Na
