Ułoz rownania reakcji za pomoca ktorych mozna dokonac nastepujacych przemian:
a) Al -> Al2O3 -> Al2(SO4)3
\ /
\ /
AlCl3
b) Ca -> CaO -> CaCl2
\ /
\ /
Ca(OH)2
Ca(NO3)2
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Ułoz rownania reakcji za pomoca ktorych mozna dokonac nastepujacych przemian:
a) Al -> Al2O3 -> Al2(SO4)3
\ /
\ /
AlCl3
b) Ca -> CaO -> CaCl2
\ /
\ /
Ca(OH)2
Ca(NO3)2
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a)1.4Al+3O2--->2Al2O3
2.Al2O3+3SO3--->Al2(SO4)3
3.2Al+6HCl--->2AlCl3+3H2
4.Al2O3+3H2SO4--->Al2(SO4)3+3H2O
b)1.2Ca+O2--->2CaO
2.CaO+2HCl--->CaCl2+H2O
3.Ca+2H2O--->Ca(OH)2+H2
4.CaO+H2O--->Ca(OH)2
5.Ca(OH)2+2HNO3--->Ca(NO3)2+2H2O