Wodorotlenek chromu (III) jest amfoteryczny .Napisz czasteczkowo i jonowo rownania reakcji tego wodoroltenku z NaOH i H2SO4
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Cr(OH)3 + NaOH -> Na[Cr(OH)4]
Cr(OH)3 + Na+ + OH- -> Na+ + [Cr(OH)4]-
Cr(OH)3 + OH- -> [Cr(OH)4]-
Cr(OH)3 + 3NaOH -> Na3[Cr(OH)6]
Cr(OH)3 + 3Na+ + 3OH- -> 3Na+ + [Cr(OH)6]-
Cr(OH)3 + 3OH- -> [Cr(OH)6]-
2Cr(OH)3 + 3H2SO4 -> Cr2(SO4)3 + 6H2O
2Cr(OH)3 + 6H+ + 3SO4 2- -> 2Cr 2+ + 3SO4 2- + 6H2O
2Cr(OH)3 + 6H+ -> 2Cr 2+ + 6H2O