Question

Calculati masele molare pentru substantele:
H2 N2 Br2 Cl2 F2

Answer 1

M$M H_{2}$ = 2 $A_{H}$= 2 x 1= 2g/mol
M$M N_{2}$ = 2 $A_{N}$= 2 x 14= 28g/mol
M$M Br_{2}$ = 2 $A_{Br}$= 2 x 80= 160g/mol
M$M Cl_{2}$ = 2 $A_{Cl}$= 2 x 35,5= 71g/mol
M$M F_{2}$ = 2 $A_{F}$= 2 x 19= 38g/mol