Răspuns:
MCa3(PO4)2=3×40+2×31+8×16=calculeaza
MAl(OH)3=27+3×16+3×1= calculeaza
MCaCO3=40+12+3×16= calcueaza
MNaOH=23+16+1= calculeaza
MCuSO4=64+32+4×16= calculeaza
MCuCO3=64+12+3×16= calculeaza
MH2SO4=2×1+32+4×16= calculeaza
MHNO3=1+14+3×16= calculeaza
MH3PO4=3×1+31+4×16= calculeaza
MZn(OH)2=65+2×16+2×1= calculeaza
MCaCl2=40+2×35,5=calculeaza
Explicație:
