Mn(CH3COO)2 + 2NaOH → 2CH3COONa + Mn(OH)2↓
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The reaction of manganese(II) acetate and sodium hydroxide yields sodium acetate and manganese(II) hydroxide (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of manganese(II) acetate and sodium hydroxide
General equation
- Reaction of salt of weak base and strong base
- Salt of weak baseBrønsted acid + Strong baseBrønsted base ⟶ Salt of strong baseConjugate acid + Weak baseConjugate base + (H2O)
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base💧⟶ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of manganese(II) acetate and sodium hydroxide
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Mn(CH3COO)2 | Manganese(II) acetate | 1 | Brønsted acid Lewis acid | Salt of weak base Very soluble in water |
| NaOH | Sodium hydroxide | 2 | Brønsted base Lewis base | Strong base Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| CH3COONa | Sodium acetate | 2 | Conjugate acid Non-redox product | Salt of strong base – |
| Mn(OH)2 | Manganese(II) hydroxide | 1 | Conjugate base Lewis conjugate | Weak base Insoluble in water |
Thermodynamic changes
Changes in standard condition
- Reaction of manganese(II) acetate and sodium hydroxide
- Mn(CH3COO)2Crystalline solid + 2NaOHCrystalline solid2CH3COONaCrystalline solid + Mn(OH)2↓Amorphous solidprecipitated⟶
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | −113.7 | – | – | – |
per 1 mol of | −113.7 | – | – | – |
per 1 mol of | −56.85 | – | – | – |
per 1 mol of | −56.85 | – | – | – |
per 1 mol of | −113.7 | – | – | – |
Changes in aqueous solution
- Reaction of manganese(II) acetate and sodium hydroxide
- Mn(CH3COO)2Aqueous solution + 2NaOHIonized aqueous solution2CH3COONaIonized aqueous solution + Mn(OH)2↓Amorphous solidprecipitated⟶
| Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
|---|---|---|---|---|
per 1 mol of Equation | −8.3 | – | – | – |
per 1 mol of | −8.3 | – | – | – |
per 1 mol of | −4.2 | – | – | – |
per 1 mol of | −4.2 | – | – | – |
per 1 mol of | −8.3 | – | – | – |
Thermodynamic data of reactants
| Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
|---|---|---|---|---|
| Mn(CH3COO)2 (cr) | -1148.1[1] | – | – | – |
| Mn(CH3COO)2 (aq) | -1199.1[1] | – | – | – |
| Mn(CH3COO)2 (cr) 4 hydrate | -2338.0[1] | – | – | – |
| NaOH (cr) | -425.609[1] | -379.494[1] | 64.455[1] | 59.54[1] |
| NaOH (g) | -207.1[1] | -210.0[1] | 228.43[1] | 48.37[1] |
| NaOH (ai) | -470.114[1] | -419.150[1] | 48.1[1] | -102.1[1] |
| NaOH (cr) 1 hydrate | -734.543[1] | -629.338[1] | 99.50[1] | 90.17[1] |
| NaOH (l) 2 hydrate | -1019.076[1] | -873.091[1] | 195.979[1] | 239.41[1] |
| NaOH (l) 3.5 hydrate | -1459.798[1] | -1236.356[1] | 286.089[1] | 354.43[1] |
| NaOH (l) 4 hydrate | -1605.15[1] | -1356.64[1] | 318.70[1] | – |
| NaOH (l) 5 hydrate | -1894.31[1] | -1596.34[1] | 386.06[1] | – |
| NaOH (l) 7 hydrate | -2469.02[1] | -2073.80[1] | 526.31[1] | – |
* (cr):Crystalline solid, (aq):Aqueous solution, (g):Gas, (ai):Ionized aqueous solution, (l):Liquid
Thermodynamic data of products
| Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
|---|---|---|---|---|
| CH3COONa (cr) | -708.81[1] | -607.18[1] | 123.0[1] | 79.9[1] |
| CH3COONa (ai) | -726.13[1] | -631.20[1] | 145.6[1] | 40.2[1] |
| CH3COONa (cr) 3 hydrate | -1603.3[1] | -1328.6[1] | 243[1] | – |
| Mn(OH)2 (am) precipitated | -695.4[1] | -615.0[1] | 99.2[1] | – |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (am):Amorphous solid
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)
- ^ ΔfH°, -1148.1 kJ · mol−1
- ^ ΔfH°, -1199.1 kJ · mol−1
- ^ ΔfH°, -2338.0 kJ · mol−1
- ^ ΔfH°, -425.609 kJ · mol−1
- ^ ΔfG°, -379.494 kJ · mol−1
- ^ S°, 64.455 J · K−1 · mol−1
- ^ Cp°, 59.54 J · K−1 · mol−1
- ^ ΔfH°, -207.1 kJ · mol−1
- ^ ΔfG°, -210.0 kJ · mol−1
- ^ S°, 228.43 J · K−1 · mol−1
- ^ Cp°, 48.37 J · K−1 · mol−1
- ^ ΔfH°, -470.114 kJ · mol−1
- ^ ΔfG°, -419.150 kJ · mol−1
- ^ S°, 48.1 J · K−1 · mol−1
- ^ Cp°, -102.1 J · K−1 · mol−1
- ^ ΔfH°, -734.543 kJ · mol−1
- ^ ΔfG°, -629.338 kJ · mol−1
- ^ S°, 99.50 J · K−1 · mol−1
- ^ Cp°, 90.17 J · K−1 · mol−1
- ^ ΔfH°, -1019.076 kJ · mol−1
- ^ ΔfG°, -873.091 kJ · mol−1
- ^ S°, 195.979 J · K−1 · mol−1
- ^ Cp°, 239.41 J · K−1 · mol−1
- ^ ΔfH°, -1459.798 kJ · mol−1
- ^ ΔfG°, -1236.356 kJ · mol−1
- ^ S°, 286.089 J · K−1 · mol−1
- ^ Cp°, 354.43 J · K−1 · mol−1
- ^ ΔfH°, -1605.15 kJ · mol−1
- ^ ΔfG°, -1356.64 kJ · mol−1
- ^ S°, 318.70 J · K−1 · mol−1
- ^ ΔfH°, -1894.31 kJ · mol−1
- ^ ΔfG°, -1596.34 kJ · mol−1
- ^ S°, 386.06 J · K−1 · mol−1
- ^ ΔfH°, -2469.02 kJ · mol−1
- ^ ΔfG°, -2073.80 kJ · mol−1
- ^ S°, 526.31 J · K−1 · mol−1
- ^ ΔfH°, -708.81 kJ · mol−1
- ^ ΔfG°, -607.18 kJ · mol−1
- ^ S°, 123.0 J · K−1 · mol−1
- ^ Cp°, 79.9 J · K−1 · mol−1
- ^ ΔfH°, -726.13 kJ · mol−1
- ^ ΔfG°, -631.20 kJ · mol−1
- ^ S°, 145.6 J · K−1 · mol−1
- ^ Cp°, 40.2 J · K−1 · mol−1
- ^ ΔfH°, -1603.3 kJ · mol−1
- ^ ΔfG°, -1328.6 kJ · mol−1
- ^ S°, 243. J · K−1 · mol−1
- ^ ΔfH°, -695.4 kJ · mol−1
- ^ ΔfG°, -615.0 kJ · mol−1
- ^ S°, 99.2 J · K−1 · mol−1