in reactii intra cate 3mol din fiecare clorura
CH3Cl + HOH---> CH3OH+ HCl.........................ORI 3 MOL
CH2Cl2+2HOH----> HCHO+H2O+2HCl............ORI 3 MOL
CHcL3 + 3HOH----> HCOOH+H2O+3HCl......... ORI 3MOL
TOTAL : 18MOL HCl
HCl + NaOH---> NaCl + H2O
18mol....18mol