Question

De calculat masa moleculara relativa:
NH2
CH
CO3
H3
PO4
​​

Answer 1

M= masa relativa

NH2= MN+M2H= 14+2=16 g/mol

CH4=MC+M4H= 12+4= 16 g/mol

CO3= MC+M3O= 12+48=60 g/mol

H2= M2H =2 g/mol

PO4= MP+4O=31+64=95 g/mol