Research Article
Influence of the Mixing Ways of Reactants on ZnO Morphology
Table 1
Thermodynamic equilibrium reactions in ZnSO4-NaOH-H2O system (298 K).
| | Reactions | Constant | |
| | H2O = H+ + OH− | 1.02 × 10−14 | (1) | | ZnSO4 = Zn2+ + | 2.23 × 103 | (2) | | = + H+ | 1.04 × 10−2 | (3) | | H2SO4 = + H+ | 3.46 × 109 | (4) | | NaOH = Na+ + OH− | 8.45 × 106 | (5) | | Na2SO4 = 2Na+ + | 4.73 × 10−1 | (6) | | Zn2+ + 2OH− = + H+ | 1.73 | (7) | | Zn2+ + 2OH− = + 2H+ | 2.90 × 10−13 | (8) | | Zn2+ + OH− = ZnOH+ | 1.44 × 106 | (9) | | Zn2+ + 2OH− = Zn(OH)2(aq) | 1.16 × 1013 | (10) | | Zn2+ + 3OH− = | 2.50 × 1014 | (11) | | Zn2+ + 4OH− = | 4.61 × 1015 | (12) |
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