acid sulfhidric H2S
M=2×1+32
M=2+32
M=34g/mol
acid sulfuric H2SO4
M=2×1+32+4×16
M=2+32+64
M=34+64
M=98g/mol
acid nitric HNO3
M=1+14+3×16
M=15+48
M=63g/mol
acid carbonic H2CO3
M=2×1+12+3×16
M=2+12+48
M=14+48
M=62g/mol
restul nu inteleg! sorry
