Решите мне пожалуйста! очень надо!№ 8 и 22
8.
2Al(OH)3 = Al2O3 + 3H2O при нагревании
Al2O3 + 3H2SO4 = Al2(SO4)3 +3H2O
Al2(SO4)3 + 6NaOH = 2Al(OH)3+ 3Na2SO4
22.
As + O2 = As2O5
As2O5 +3H2O = 2H3AsO4
H3AsO4+ 3NaOH = Na3AsO4+3H2O
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Verified answer
8.
2Al(OH)3 = Al2O3 + 3H2O при нагревании
Al2O3 + 3H2SO4 = Al2(SO4)3 +3H2O
Al2(SO4)3 + 6NaOH = 2Al(OH)3+ 3Na2SO4
22.
As + O2 = As2O5
As2O5 +3H2O = 2H3AsO4
H3AsO4+ 3NaOH = Na3AsO4+3H2O