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Matematicianul3215
a fost răspuns

calculati masele moleculare pentru 20 de formule chimice Ex Mo2=Ao+Ao=
=2×Ao

Răspuns :

Mihaiimbrisca
MH2O=2×AH+AO=2×1+16=18u.a.m
MH2=2×AH=2×1=2u.a.m
MCl2=2ACl=2×35,5=71u.a.m
MO2=2×AO=2×16=32u.a.m
MCaCO3=ACa+AC+3×AO=40+12+3×16=100u.a.m
MHCl=AH+ACl=1+35,36,5 u.a.m
MCaO=ACa+AO=40+16=56 u.a.m
MO2=2×AO=2×16=32 u.a.m

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