Fe(NO3)3 + 3NaH2PO4 ๐งโ FePO4โ + 3NaNO3 + 2H3PO4
Last updated:
The reaction of iron(III) nitrate and sodium dihydrogenphosphate yields iron(III) phosphate, sodium nitrate, and phosphoric acid. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
General equation
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base๐งโถ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Fe(NO3)3 | Iron(III) nitrate | 1 | Lewis acid | Very soluble in water |
| NaH2PO4 | Sodium dihydrogenphosphate | 3 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| FePO4 | Iron(III) phosphate | 1 | Lewis conjugate | Insoluble in water |
| NaNO3 | Sodium nitrate | 3 | Non-redox product | โ |
| H3PO4 | Phosphoric acid | 2 | Non-redox product | โ |
Thermodynamic changes
Changes in aqueous solution (1)
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 63.3 | โ | โ | โ |
per 1 mol of | 63.3 | โ | โ | โ |
per 1 mol of | 21.1 | โ | โ | โ |
per 1 mol of | 63.3 | โ | โ | โ |
per 1 mol of | 21.1 | โ | โ | โ |
per 1 mol of | 31.6 | โ | โ | โ |
Changes in aqueous solution (2)
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 63.3 | โ | โ | โ |
per 1 mol of | 63.3 | โ | โ | โ |
per 1 mol of | 21.1 | โ | โ | โ |
per 1 mol of | 63.3 | โ | โ | โ |
per 1 mol of | 21.1 | โ | โ | โ |
per 1 mol of | 31.6 | โ | โ | โ |
Changes in aqueous solution (3)
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 67.5 | โ | โ | โ |
per 1 mol of | 67.5 | โ | โ | โ |
per 1 mol of | 22.5 | โ | โ | โ |
per 1 mol of | 67.5 | โ | โ | โ |
per 1 mol of | 22.5 | โ | โ | โ |
per 1 mol of | 33.8 | โ | โ | โ |
Changes in aqueous solution (4)
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 67.5 | โ | โ | โ |
per 1 mol of | 67.5 | โ | โ | โ |
per 1 mol of | 22.5 | โ | โ | โ |
per 1 mol of | 67.5 | โ | โ | โ |
per 1 mol of | 22.5 | โ | โ | โ |
per 1 mol of | 33.8 | โ | โ | โ |
Changes in aqueous solution (5)
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 85.2 | โ | โ | โ |
per 1 mol of | 85.2 | โ | โ | โ |
per 1 mol of | 28.4 | โ | โ | โ |
per 1 mol of | 85.2 | โ | โ | โ |
per 1 mol of | 28.4 | โ | โ | โ |
per 1 mol of | 42.6 | โ | โ | โ |
Changes in aqueous solution (6)
- Reaction of iron(III) nitrate and sodium dihydrogenphosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 89.4 | โ | โ | โ |
per 1 mol of | 89.4 | โ | โ | โ |
per 1 mol of | 29.8 | โ | โ | โ |
per 1 mol of | 89.4 | โ | โ | โ |
per 1 mol of | 29.8 | โ | โ | โ |
per 1 mol of | 44.7 | โ | โ | โ |
Thermodynamic data of reactants
| Chemical formula | Standard enthalpy of formation ฮfHยฐ kJ ยท molโ1 | Standard Gibbs energy of formation ฮfGยฐ kJ ยท molโ1 | Standard molar entropy Sยฐ J ยท Kโ1 ยท molโ1 | Standard molar heat capacity at constant pressure Cpยฐ J ยท Kโ1 ยท molโ1 |
|---|---|---|---|---|
| Fe(NO3)3 (ai) | -670.7[1] | -338.3[1] | 123.4[1] | โ |
| Fe(NO3)3 (aq) | -674.9[1] | โ | โ | โ |
| Fe(NO3)3 (cr) 9 hydrate | -3285.3[1] | โ | โ | โ |
| NaH2PO4 (cr) | -1536.8[1] | -1386.1[1] | 127.49[1] | 116.86[1] |
| NaH2PO4 (ai) | -1536.41[1] | -1392.17[1] | 149.4[1] | โ |
| NaH2PO4 (cr) 1 hydrate | -1833.0[1] | โ | โ | โ |
| NaH2PO4 (cr) 2 hydrate | -2128.4[1] | โ | โ | โ |
* (ai):Ionized aqueous solution, (aq):Aqueous solution, (cr):Crystalline solid
Thermodynamic data of products
| Chemical formula | Standard enthalpy of formation ฮfHยฐ kJ ยท molโ1 | Standard Gibbs energy of formation ฮfGยฐ kJ ยท molโ1 | Standard molar entropy Sยฐ J ยท Kโ1 ยท molโ1 | Standard molar heat capacity at constant pressure Cpยฐ J ยท Kโ1 ยท molโ1 |
|---|---|---|---|---|
| FePO4 (cr) | -1297.5[1] | โ | โ | โ |
| FePO4 (cr) 2 hydrate strengite | -1888.2[1] | -1657.5[1] | 171.25[1] | 180.54[1] |
| NaNO3 (cr) | -467.85[1] | -367.00[1] | 116.52[1] | 92.88[1] |
| NaNO3 (ai) | -447.48[1] | -373.15[1] | 205.4[1] | -40.2[1] |
| H3PO4 (cr) | -1279.0[1] | -1119.1[1] | 110.50[1] | 106.06[1] |
| H3PO4 (l) | -1266.9[1] | โ | โ | โ |
| H3PO4 (ai) | -1277.4[1] | -1018.7[1] | -220.3[1] | โ |
| H3PO4 (ao) | -1288.34[1] | -1142.54[1] | 158.2[1] | โ |
| H3PO4 (cr) 0.5 hydrate | -1431.3[1] | -1242.1[1] | 129.16[1] | 126.02[1] |
| H3PO4 (cr) 1 hydrate | -1568.83[1] | โ | โ | โ |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (l):Liquid, (ao):Un-ionized aqueous solution
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)
- ^ ฮfHยฐ, -670.7 kJ ยท molโ1
- ^ ฮfGยฐ, -338.3 kJ ยท molโ1
- ^ Sยฐ, 123.4 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -674.9 kJ ยท molโ1
- ^ ฮfHยฐ, -3285.3 kJ ยท molโ1
- ^ ฮfHยฐ, -1536.8 kJ ยท molโ1
- ^ ฮfGยฐ, -1386.1 kJ ยท molโ1
- ^ Sยฐ, 127.49 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 116.86 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1536.41 kJ ยท molโ1
- ^ ฮfGยฐ, -1392.17 kJ ยท molโ1
- ^ Sยฐ, 149.4 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1833.0 kJ ยท molโ1
- ^ ฮfHยฐ, -2128.4 kJ ยท molโ1
- ^ ฮfHยฐ, -1297.5 kJ ยท molโ1
- ^ ฮfHยฐ, -1888.2 kJ ยท molโ1
- ^ ฮfGยฐ, -1657.5 kJ ยท molโ1
- ^ Sยฐ, 171.25 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 180.54 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -467.85 kJ ยท molโ1
- ^ ฮfGยฐ, -367.00 kJ ยท molโ1
- ^ Sยฐ, 116.52 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 92.88 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -447.48 kJ ยท molโ1
- ^ ฮfGยฐ, -373.15 kJ ยท molโ1
- ^ Sยฐ, 205.4 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, -40.2 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1279.0 kJ ยท molโ1
- ^ ฮfGยฐ, -1119.1 kJ ยท molโ1
- ^ Sยฐ, 110.50 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 106.06 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1266.9 kJ ยท molโ1
- ^ ฮfHยฐ, -1277.4 kJ ยท molโ1
- ^ ฮfGยฐ, -1018.7 kJ ยท molโ1
- ^ Sยฐ, -220.3 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1288.34 kJ ยท molโ1
- ^ ฮfGยฐ, -1142.54 kJ ยท molโ1
- ^ Sยฐ, 158.2 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1431.3 kJ ยท molโ1
- ^ ฮfGยฐ, -1242.1 kJ ยท molโ1
- ^ Sยฐ, 129.16 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 126.02 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1568.83 kJ ยท molโ1