MH2SO4=2+32 + 4.16=98
M=MASA MOLECULARA
Masa molara=M = masa unui mol de subst.numeric egala cu masa moleculara [ g/mol ]
98g/mol----->.1mol=98g
Masa moleculara a H2SO4(acid sulfuric=2x1+1x32+4x16=2+32+64=33+64=97 u.a.m(unități atomice de masa)
