Решите химические цепочки:
1. CaSO3-->CaSO4
2. Al2O3-->Na[Al(OH)4]-->Al2(SO4)3-->Al(OH)3-->Na[Al(OH)4]
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Решите химические цепочки:
1. CaSO3-->CaSO4
2. Al2O3-->Na[Al(OH)4]-->Al2(SO4)3-->Al(OH)3-->Na[Al(OH)4]
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Answers & Comments
1.
CaSO3+H2SO4=CaSO4+SO2+H2O
2.
Al2O3+ 2NaOH+3H2O=2Na[Al(OH)4]
2Na[Al(OH)4]+4H2SO4=Na2SO4+Al2(SO4)3+8H2O
Al2(SO4)3+6NaOH=2Al(OH)3+3Na2SO4
Al(OH)3+NaOH=Na[Al(OH)4]