Răspuns :
M(miu)= (4x12gC+6gH+32gO)/mol= 86g/mol
in 86g acid......48gC.....6gH......32gO
100...............x.............y.............z
calculeaza !!!!
in 86g acid......48gC.....6gH......32gO
100...............x.............y.............z
calculeaza !!!!