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MnSO4 + Li2S 💧→ MnS↓ + Li2SO4

MnSO₄ + Li₂S 💧→ MnS↓ + Li₂SO₄

Last updated: June 13, 2022

Reaction of manganese(II) sulfate and lithium sulfide: MnSO₄Manganese(II) sulfate + Li₂SLithium sulfide
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MnS↓Manganese(II) sulfide + Li₂SO₄Lithium sulfate

The reaction of manganese(II) sulfate and lithium sulfide yields manganese(II) sulfide and lithium sulfate. This reaction is an acid-base reaction and is classified as follows:

Precipitation reaction

Table of contents

Reaction data

Reactants

Chemical formula	Name	Coefficient	Type	Type in general equation
MnSO₄	Manganese(II) sulfate	1	Lewis acid	Very soluble in water
Li₂S	Lithium sulfide	1	Lewis base	Very soluble in water

Products

Chemical formula	Name	Coefficient	Type	Type in general equation
MnS	Manganese(II) sulfide	1	Lewis conjugate	Insoluble in water
Li₂SO₄	Lithium sulfate	1	Non-redox product	–

Thermodynamic changes

Changes in standard condition (1)

Reaction of manganese(II) sulfate and lithium sulfide: MnSO₄Crystalline solid + Li₂SCrystalline solid
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MnS↓Crystalline solidgreen + Li₂SO₄Crystalline solid

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−144.0	–	–	–
per 1 mol of Manganese(II) sulfate	−144.0	–	–	–
per 1 mol of Lithium sulfide	−144.0	–	–	–
per 1 mol of Manganese(II) sulfide	−144.0	–	–	–
per 1 mol of Lithium sulfate	−144.0	–	–	–

Changes in standard condition (2)

Reaction of manganese(II) sulfate and lithium sulfide: MnSO₄Crystalline solid + Li₂SCrystalline solid
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MnS↓Amorphous solidprecipitated, pink + Li₂SO₄Crystalline solid

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−143.6	–	–	–
per 1 mol of Manganese(II) sulfate	−143.6	–	–	–
per 1 mol of Lithium sulfide	−143.6	–	–	–
per 1 mol of Manganese(II) sulfide	−143.6	–	–	–
per 1 mol of Lithium sulfate	−143.6	–	–	–

Changes in aqueous solution (1)

Reaction of manganese(II) sulfate and lithium sulfide: MnSO₄Un-ionized aqueous solution + Li₂SCrystalline solid
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MnS↓Crystalline solidgreen + Li₂SO₄Ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−123.1	–	–	–
per 1 mol of Manganese(II) sulfate	−123.1	–	–	–
per 1 mol of Lithium sulfide	−123.1	–	–	–
per 1 mol of Manganese(II) sulfide	−123.1	–	–	–
per 1 mol of Lithium sulfate	−123.1	–	–	–

Changes in aqueous solution (2)

Reaction of manganese(II) sulfate and lithium sulfide: MnSO₄Ionized aqueous solution + Li₂SCrystalline solid
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MnS↓Crystalline solidgreen + Li₂SO₄Ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−108.9	–	–	–
per 1 mol of Manganese(II) sulfate	−108.9	–	–	–
per 1 mol of Lithium sulfide	−108.9	–	–	–
per 1 mol of Manganese(II) sulfide	−108.9	–	–	–
per 1 mol of Lithium sulfate	−108.9	–	–	–

Changes in aqueous solution (3)

Reaction of manganese(II) sulfate and lithium sulfide: MnSO₄Un-ionized aqueous solution + Li₂SCrystalline solid
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MnS↓Crystalline solidgreen + Li₂SO₄Ionized aqueous solution

	Standard enthalpy of reaction Δ_rH° kJ · mol⁻¹	Standard Gibbs energy of reaction Δ_rG° kJ · mol⁻¹	Standard entropy of reaction Δ_rS° J · K⁻¹ · mol⁻¹	Standard heat capacity of reaction at constant pressure Δ_rC_p° J · K⁻¹ · mol⁻¹
per 1 mol of Equation	−123.1	–	–	–
per 1 mol of Manganese(II) sulfate	−123.1	–	–	–
per 1 mol of Lithium sulfide	−123.1	–	–	–
per 1 mol of Manganese(II) sulfide	−123.1	–	–	–
per 1 mol of Lithium sulfate	−123.1	–	–	–

Thermodynamic data of reactants

Chemical formula	Standard enthalpy of formation Δ_fH° kJ · mol⁻¹	Standard Gibbs energy of formation Δ_fG° kJ · mol⁻¹	Standard molar entropy S° J · K⁻¹ · mol⁻¹	Standard molar heat capacity at constant pressure C_p° J · K⁻¹ · mol⁻¹
MnSO₄ (cr)	-1065.25^[1]	-957.36^[1]	112.1^[1]	100.50^[1]
MnSO₄ (ai)	-1130.1^[1]	-972.7^[1]	-53.6^[1]	-243^[1]
MnSO₄ (ao)	-1115.9^[1]	-985.7^[1]	36.4^[1]	–
MnSO₄ (cr) 1 hydrate α	-1376.5^[1]	–	–	–
MnSO₄ (cr) 1 hydrate β	-1348.1^[1]	–	–	–
MnSO₄ (cr) 4 hydrate	-2258.1^[1]	–	–	–
MnSO₄ (cr) 5 hydrate	-2553.1^[1]	–	–	326^[1]
MnSO₄ (cr) 7 hydrate	-3139.3^[1]	–	–	–
Li₂S (cr)	-441.4^[1]	–	–	–

* (cr):Crystalline solid, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution

Thermodynamic data of products

Chemical formula	Standard enthalpy of formation Δ_fH° kJ · mol⁻¹	Standard Gibbs energy of formation Δ_fG° kJ · mol⁻¹	Standard molar entropy S° J · K⁻¹ · mol⁻¹	Standard molar heat capacity at constant pressure C_p° J · K⁻¹ · mol⁻¹
MnS (cr) green	-214.2^[1]	-218.4^[1]	78.2^[1]	49.96^[1]
MnS (am) precipitated, pink	-213.8^[1]	–	–	–
Li₂SO₄ (cr)	-1436.49^[1]	-1321.70^[1]	115.1^[1]	117.57^[1]
Li₂SO₄ (ai)	-1466.24^[1]	-1331.20^[1]	47.3^[1]	-155.6^[1]
Li₂SO₄ (cr) 1 hydrate	-1735.5^[1]	-1565.5^[1]	163.6^[1]	151.08^[1]

* (cr):Crystalline solid, (am):Amorphous solid, (ai):Ionized aqueous solution

References

List of references

1
Janiel J. Reed (1989)
The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI Units
https://doi.org/10.18434/M32124
National Institute of Standards and Technology (NIST)
Citation list

MnSO4 + Li2S 💧→ MnS↓ + Li2SO4

Reaction data

Chemical equation

General equation

Oxidation state of each atom