Răspuns:
Mc6h6 = 6*12 + 6 = 78 kg/kmol
n = 23,4 / 78 = 0.3 kmoli = 300 moli
din 6 moli de benzen ==》 2 moli monoclorura de fenil (C6H5Cl)
nC6H5Cl = 300*2/6 = 100 moli
MC6H5Cl = 12*6 + 1*5 + 35.5*1 = 112.5 g/mol
m = 112.5*100 = 11250 g = 11.25 kg monocloroura de fenil (monoclorobenzen)