MgBr₂ + Li₂SO₃ 💧→ MgSO₃↓ + 2LiBr

Last updated: June 13, 2022

Reaction of magnesium bromide and lithium sulfite: MgBr₂Magnesium bromide + Li₂SO₃Lithium sulfite
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MgSO₃↓Magnesium sulfite + 2LiBrLithium bromide

The reaction of magnesium bromide and lithium sulfite yields magnesium sulfite and lithium bromide. This reaction is an acid-base reaction and is classified as follows:

Table of contents

Reaction data

Chemical formula	Name	Coefficient	Type	Type in general equation
MgBr₂	Magnesium bromide	1	Lewis acid	Very soluble in water
Li₂SO₃	Lithium sulfite	1	Lewis base	Soluble in water

Chemical formula	Name	Coefficient	Type	Type in general equation
MgSO₃	Magnesium sulfite	1	Lewis conjugate	Slightly soluble in water
LiBr	Lithium bromide	2	Non-redox product	–

Reaction of magnesium bromide and lithium sulfite: MgBr₂Crystalline solid + Li₂SO₃Crystalline solid
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MgSO₃↓Crystalline solid + 2LiBrCrystalline 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	−9.4	–	–	–
per 1 mol of Magnesium bromide	−9.4	–	–	–
per 1 mol of Lithium sulfite	−9.4	–	–	–
per 1 mol of Magnesium sulfite	−9.4	–	–	–
per 1 mol of Lithium bromide	−4.7	–	–	–

Reaction of magnesium bromide and lithium sulfite: MgBr₂Ionized aqueous solution + Li₂SO₃Crystalline solid
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MgSO₃↓Crystalline solid + 2LiBrIonized 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	78.6	–	–	–
per 1 mol of Magnesium bromide	78.6	–	–	–
per 1 mol of Lithium sulfite	78.6	–	–	–
per 1 mol of Magnesium sulfite	78.6	–	–	–
per 1 mol of Lithium bromide	39.3	–	–	–

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
MgBr₂ (cr)	-524.3^[1]	-503.8^[1]	117.2^[1]	–
MgBr₂ (g)	-309.6^[1]	–	–	–
MgBr₂ (ai)	-709.94^[1]	-662.7^[1]	26.8^[1]	–
MgBr₂ (cr) 6 hydrate	-2410.0^[1]	-2055.7^[1]	397^[1]	–
Li₂SO₃ (cr)	-1177.0^[1]	–	–	–

* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution

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
MgSO₃ (cr)	-1008.3^[1]	-923.8^[1]	87.9^[1]	–
MgSO₃ (cr) 3 hydrate	-1931.8^[1]	-1674.7^[1]	209.2^[1]	–
MgSO₃ (cr) 6 hydrate	-2817.5^[1]	-2385.4^[1]	322.2^[1]	–
LiBr (cr)	-351.213^[1]	-342.00^[1]	74.27^[1]	–
LiBr (g)	–	–	224.33^[1]	33.93^[1]
LiBr (ai)	-400.041^[1]	-397.27^[1]	95.8^[1]	-73.2^[1]
LiBr (cr) 1 hydrate	-662.58^[1]	-594.29^[1]	109.6^[1]	–
LiBr (cr) 2 hydrate	-962.7^[1]	-840.5^[1]	162.3^[1]	–

* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution