Second Stability Constant Calculator

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✖Formation Factor for Complexation is the ratio of the total concentration of the ligand bound to the metal ion to the total concentration of the metal ion.ⓘ Formation Factor for Complexation [n_factor]			+10% -10%
✖Formation Factor for Second Order is the ratio of the total concentration of the ligand bound to the metal ion to the total concentration of the metal ion.ⓘ Formation Factor for Second Order [n_{second_stability}]			+10% -10%
✖First Stability Constant is an equilibrium constant for the formation of a metal ligand complex.ⓘ First Stability Constant [k₁]			+10% -10%
✖Ligand Concentration of the Complex is the concentration of the ligand that combines with binary complex to form ternary complex.ⓘ Ligand Concentration of the Complex [L]			+10% -10%

✖Second Stability Constant is an equilibrium constant for the formation of complex formed between a metal and two ligand.ⓘ Second Stability Constant [K2]

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Formula

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Second Stability Constant

Formula

`"K2" = ("n"_{"factor"}*("n"_{"second_stability"}-1)*"k"_{"1"}*"L")/("L"*"L"*(2-"n"_{"factor"})*"k"_{"1"})`

Example

`"0.041667"=("0.08"*("1.5"-1)*"0.015"*"0.5")/("0.5"*"0.5"*(2-"0.08")*"0.015")`

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Second Stability Constant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Second Stability Constant = (Formation Factor for Complexation*(Formation Factor for Second Order-1)*First Stability Constant*Ligand Concentration of the Complex)/(Ligand Concentration of the Complex*Ligand Concentration of the Complex*(2-Formation Factor for Complexation)*First Stability Constant)
K2 = (n_factor*(n_{second_stability}-1)*k₁*L)/(L*L*(2-n_factor)*k₁)
This formula uses 5 Variables

Variables Used

Second Stability Constant - Second Stability Constant is an equilibrium constant for the formation of complex formed between a metal and two ligand.
Formation Factor for Complexation - Formation Factor for Complexation is the ratio of the total concentration of the ligand bound to the metal ion to the total concentration of the metal ion.
Formation Factor for Second Order - Formation Factor for Second Order is the ratio of the total concentration of the ligand bound to the metal ion to the total concentration of the metal ion.
First Stability Constant - First Stability Constant is an equilibrium constant for the formation of a metal ligand complex.
Ligand Concentration of the Complex - Ligand Concentration of the Complex is the concentration of the ligand that combines with binary complex to form ternary complex.

STEP 1: Convert Input(s) to Base Unit

Formation Factor for Complexation: 0.08 --> No Conversion Required
Formation Factor for Second Order: 1.5 --> No Conversion Required
First Stability Constant: 0.015 --> No Conversion Required
Ligand Concentration of the Complex: 0.5 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K2 = (n_factor*(n_{second_stability}-1)*k₁*L)/(L*L*(2-n_factor)*k₁) --> (0.08*(1.5-1)*0.015*0.5)/(0.5*0.5*(2-0.08)*0.015)

Evaluating ... ...

K2 = 0.0416666666666667

STEP 3: Convert Result to Output's Unit

0.0416666666666667 --> No Conversion Required

FINAL ANSWER

0.0416666666666667 <-- Second Stability Constant

(Calculation completed in 00.000 seconds)

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Created by Torsha_Paul

University of Calcutta (CU), Kolkata

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National University of Judicial Science (NUJS), Kolkata

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< 12 Complex Equilibria Calculators

Second Stability Constant

Go Second Stability Constant = (Formation Factor for Complexation*(Formation Factor for Second Order-1)*First Stability Constant*Ligand Concentration of the Complex)/(Ligand Concentration of the Complex*Ligand Concentration of the Complex*(2-Formation Factor for Complexation)*First Stability Constant)

Change in Stability Constant

Go Change in Stability Constant of the Complex = 10^(log10(Stability Constant for Ternary Complex)-(log10(Stability Constant for Binary Complex MA)+log10(Stability Constant for Binary Complex MB)))

Relation between First and Second Stability Constant

Go Second Stability Constant = 10^((2*pH of Ligand)+log10(Formation Factor for Complexation/((2-Formation Factor for Complexation)*First Stability Constant)))

First Stability Constant

Go First Stability Constant = 10^(log10(Formation Factor for Complexation/(1-Formation Factor for Complexation))+pH of Ligand)

Stability Constant of Ternary Complexes

Go Stability Constant for Ternary Complex = (Concentration of Ternary Complex)/(Concentration of Binary Ion*Ligand Concentration of the Complex)

Stability Constant of Binary Complexes

Go Stability Constant for Binary Complex = (Concentration of Binary Ion)/(Concentration of Metal in Complex*Ligand Concentration of the Complex)

Concentration of Unbound Ligand

Go Concentration of Unbound Ligand = Total Bound Ligand of Complex-(Formation Factor for Complexation*Total Metal Concentration of Complex)

Formation Factor

Go Formation Factor for Complexation = (Total Bound Ligand of Complex-Concentration of Unbound Ligand)/Total Metal Concentration of Complex

Total Metal Ligand Concentration

Go Total Metal Ligand Concentration of Complex = Total Metal Concentration of Complex+Total Bound Ligand of Complex

Ligand Stoichiometry in Complex Equilibrium

Go Stoichiometric Coefficient of Lewis Base = Maxima of pL Curve/(1-Maxima of pL Curve)

pH of Ligand

Go pH of Ligand = -log10(Ligand Concentration of the Complex)

Stability Constant of Complex Compound

Go Stability Constant of Complex = 1/Dissociation Constant of the Complex

Second Stability Constant Formula

What is the importance of stability constant ?

In the formation of metal complexes in an aqueous medium, equilibrium constant or stability constant is used to determine the strength of interaction between reagents that make the final product after the formation of bonds.

How to Calculate Second Stability Constant?

Second Stability Constant calculator uses Second Stability Constant = (Formation Factor for Complexation*(Formation Factor for Second Order-1)*First Stability Constant*Ligand Concentration of the Complex)/(Ligand Concentration of the Complex*Ligand Concentration of the Complex*(2-Formation Factor for Complexation)*First Stability Constant) to calculate the Second Stability Constant, The Second Stability Constant formula is defined as an equilibrium constant for the formation of complex formed between a metal and two ligand. Second Stability Constant is denoted by K2 symbol.

How to calculate Second Stability Constant using this online calculator? To use this online calculator for Second Stability Constant, enter Formation Factor for Complexation (n_factor), Formation Factor for Second Order (n_{second_stability}), First Stability Constant (k₁) & Ligand Concentration of the Complex (L) and hit the calculate button. Here is how the Second Stability Constant calculation can be explained with given input values -> 0.041667 = (0.08*(1.5-1)*0.015*0.5)/(0.5*0.5*(2-0.08)*0.015).

FAQ

What is Second Stability Constant?

The Second Stability Constant formula is defined as an equilibrium constant for the formation of complex formed between a metal and two ligand and is represented as K2 = (n_factor*(n_{second_stability}-1)*k₁*L)/(L*L*(2-n_factor)*k₁) or Second Stability Constant = (Formation Factor for Complexation*(Formation Factor for Second Order-1)*First Stability Constant*Ligand Concentration of the Complex)/(Ligand Concentration of the Complex*Ligand Concentration of the Complex*(2-Formation Factor for Complexation)*First Stability Constant). Formation Factor for Complexation is the ratio of the total concentration of the ligand bound to the metal ion to the total concentration of the metal ion, Formation Factor for Second Order is the ratio of the total concentration of the ligand bound to the metal ion to the total concentration of the metal ion, First Stability Constant is an equilibrium constant for the formation of a metal ligand complex & Ligand Concentration of the Complex is the concentration of the ligand that combines with binary complex to form ternary complex.

How to calculate Second Stability Constant?

The Second Stability Constant formula is defined as an equilibrium constant for the formation of complex formed between a metal and two ligand is calculated using Second Stability Constant = (Formation Factor for Complexation*(Formation Factor for Second Order-1)*First Stability Constant*Ligand Concentration of the Complex)/(Ligand Concentration of the Complex*Ligand Concentration of the Complex*(2-Formation Factor for Complexation)*First Stability Constant). To calculate Second Stability Constant, you need Formation Factor for Complexation (n_factor), Formation Factor for Second Order (n_{second_stability}), First Stability Constant (k₁) & Ligand Concentration of the Complex (L). With our tool, you need to enter the respective value for Formation Factor for Complexation, Formation Factor for Second Order, First Stability Constant & Ligand Concentration of the Complex and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Second Stability Constant?

In this formula, Second Stability Constant uses Formation Factor for Complexation, Formation Factor for Second Order, First Stability Constant & Ligand Concentration of the Complex. We can use 1 other way(s) to calculate the same, which is/are as follows -

Second Stability Constant = 10^((2*pH of Ligand)+log10(Formation Factor for Complexation/((2-Formation Factor for Complexation)*First Stability Constant)))

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