Second Stability Constant Calculator

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✖Formation Factor 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 [n_factor]			+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 is the concentration of the ligand that combines with binary complex to form ternary complex.ⓘ Ligand Concentration [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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Second Stability Constant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Second Stability Constant = (Formation Factor*(Formation Factor-1)*First Stability Constant*Ligand Concentration)/(Ligand Concentration*Ligand Concentration*(2-Formation Factor)*First Stability Constant)
K2 = (n_factor*(n_factor-1)*k₁*L)/(L*L*(2-n_factor)*k₁)
This formula uses 4 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 - Formation Factor 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 - Ligand Concentration 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: 0.005 --> No Conversion Required
First Stability Constant: 0.5 --> No Conversion Required
Ligand Concentration: 0.5 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K2 = (n_factor*(n_factor-1)*k₁*L)/(L*L*(2-n_factor)*k₁) --> (0.005*(0.005-1)*0.5*0.5)/(0.5*0.5*(2-0.005)*0.5)

Evaluating ... ...

K2 = -0.0049874686716792

STEP 3: Convert Result to Output's Unit

-0.0049874686716792 --> No Conversion Required

FINAL ANSWER

-0.0049874686716792 <-- 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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< 10+ Complex Equilibria Calculators

Second Stability Constant

Change in Stability Constant

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

Relation Between First and Second Stability Constant

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

Stability Constant of Ternary Complexes

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

First Stability Constant

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

Stability Constant of Binary Complexes

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

Concentration of Unbound Ligand

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

Formation Factor

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

pH of Ligand

pH of Ligand = -log10(Ligand Concentration) Go

Stability Constant of Complex

Stability Constant of Complex = 1/Dissociation Constant Go

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*(Formation Factor-1)*First Stability Constant*Ligand Concentration)/(Ligand Concentration*Ligand Concentration*(2-Formation Factor)*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 (n_factor), First Stability Constant (k₁) & Ligand Concentration (L) and hit the calculate button. Here is how the Second Stability Constant calculation can be explained with given input values -> -0.004987 = (0.005*(0.005-1)*0.5*0.5)/(0.5*0.5*(2-0.005)*0.5).

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_factor-1)*k₁*L)/(L*L*(2-n_factor)*k₁) or Second Stability Constant = (Formation Factor*(Formation Factor-1)*First Stability Constant*Ligand Concentration)/(Ligand Concentration*Ligand Concentration*(2-Formation Factor)*First Stability Constant). Formation Factor 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 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*(Formation Factor-1)*First Stability Constant*Ligand Concentration)/(Ligand Concentration*Ligand Concentration*(2-Formation Factor)*First Stability Constant). To calculate Second Stability Constant, you need Formation Factor (n_factor), First Stability Constant (k₁) & Ligand Concentration (L). With our tool, you need to enter the respective value for Formation Factor, First Stability Constant & Ligand Concentration 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, First Stability Constant & Ligand Concentration. 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/((2-Formation Factor)*First Stability Constant)))

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