160. B CaO+2HCl->CaCl2+H2O 56. 111 b)MgCl2-clorura de magneziu CaCl2-clorura de calciu c)100 % amestec....20 MgO....80CaO 200....................x..................y x=40 MgO y=160g CaO
Acum notam pe reactie masele x,y si masele lor moleculare dedesubt (din tabelul periodic) a=40*96/40=96 g MgCl2 b=160*11/56=31.42 g CaCl2 mass totala=a+b=127.42g