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Va rog muult..........

Va Rog Muult class=

Răspuns :

2Al+3S=Al2S3
FeCl3+3NaOH=Fe(OH)3+3NaCl
AlCl3+3NaOH=Al(OH)3+3NaCl
Mg+2HCl=MgCl2+H2
Ca3(PO4)2+3H2SO4=2H3PO4+3CaSO4
2Al+3S=Al₂S₃
FeCl₃+3NaOH=Fe(OH)₃+3NaCl
AlCl₃+3NaOH=Al(OH)₃+3NaCl
Mg+2HCl=MgCl₂+H₂
Ca₃(PO₄)₂+3H₂SO₄=2H₃PO4+3CaSO₄