M, toluen= 92g/mol...M, trinitrobenzen= 199g/mol...M,HNO3=63g/mol
b. 199g....84gC...5gH....42gN....96gO
100..........x.........y........z...........t----------------> calculeaza
c 1mol toluen....3mol HNO3
92g toluen.....3x63gHNO3
368g..................m=756gHNO3 este md din amestecul nitrant
c /100= md/ms--> 63/100= 756/ms-------------->calculeaza
d 1mol toluen.......3molO
92g toluen.......3molo
36,8..................n=1,2 molO 5mol O........2mol KMn04
1,2mol...........n=0,48mol
1000ml sol.........2mol KMnO4
v.......................0,48MOL CALCULEAZA V !!
VERIFICA !!!