HCl
M =1 + 35, 5=36,5------>36,5 g/moli HCl
r.m.=AH : A Cl = 1 : 35,5
HBr
M=1 + 80 =81--------> 81 g/moli
r.m.= 1 : 80
H I
M= 1+ 127=128 ------> 128 g/moli
r.m.=1 : 127
H F
M= 1+ 19 =20--------> 20g/moli
r.m.=1 : 19
H2S
M= 2 + 32=34 --------> 34g/moli
r.m.=2 : 32 =1 : 16
