V.c6h6 = 1950 mL, p = 0,8 g/mL
din p => mC6H6 = 1950x0,8 = 1560 g C6H6 intrati in reactie
M.C6H6 = 78 g/mol
=> n = 156/78 = 2 moli C6H6 nereactionati
=> 1560/78 = 10 moli benzen intrati in proces
2a 2a moli
C6H6 + Br2 --AlCl3--> C6H5Br + HBr
1 1
a a moli
C6H6 + 2Br2 --AlCl3--> C6H4Br2 + 2HBr
1 1
2 moli 2 moli
C6H6 -----------------------> C6H6 netransformat
1 1
=>
2a+a+2 = 10 => a = 2,67
M.C6H5Br = 157 g/mol
=> niuC6H5Br = 2a = 5,34 moli bromobenzen