Răspuns:
MgCl2,CaO,ZnBr2,HCl,K2O,Mg(OH)2,Na3PO4,Al2(CO3)3,NH4Cl
Explicație:
M MgCl2= 24+71=
MCaO=40+16=
MZnBr2=65+2*80=
MHCl=1+35,5=
MK2O=2*39+16=
MMg(OH)2=24+2*16+2*1=
M Na3PO4=3*23 +31+4816=
MAl2(CO3) 3=2*27+3*12+9*16=
MNH4Cl=14+4+35,5 =
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