NH2OH -> NH2OH -> NH2O- + H+ Na2SO4 -> Na2+ + SO4^2- HNO3 -> H+ + NO3- K3PO4 -> 3K+ + PO4^3- Cr2(SO4)3 -> 2Cr3+ + 3SO4^2-
NH2OH -> NH2OH -> NH2O- + H+
Na2SO4 -> Na2+ + SO4^2-
HNO3 -> H+ + NO3-
K3PO4 -> 3K+ + PO4^3-
Cr2(SO4)3 -> 2Cr3+ + 3SO4^2-