Объяснение:
2nabr+cl2=2nacl+br2
nacl+h2o=naoh+hcl
2Al + 2NaOH + 6H2O → 2Na[Al(OH)4] + 3H2↑
cuo+h2=cu+h2o
2agno3+cu=2ag+cu(no3)2
ag+2hno3=agno3+no2+h2o
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Объяснение:
2nabr+cl2=2nacl+br2
nacl+h2o=naoh+hcl
2Al + 2NaOH + 6H2O → 2Na[Al(OH)4] + 3H2↑
cuo+h2=cu+h2o
2agno3+cu=2ag+cu(no3)2
ag+2hno3=agno3+no2+h2o