# How do you calculate KSP from EMF?

Contents

## How do you find the solubility product from EMF?

The solubility product Ksp (ABn An+ + n B – ; Ksp is defined as Ksp= [A n+ ] [B – ] n ) is an equilibrium constant and its value can be predicted from a knowledge of the standard electrode potentials. The electrodes are chosen in such a way , that the overall cell reaction is the solubility product equilibrium.

## How do you calculate the KSP?

Let’s do an example: The solubility of Ag2CrO4 in water is 1.31 x 10-4 moles/L. Calculate the value of Ksp . Using mole ratios, the [Ag+] will go up by (2 x 1.31 x 10-4 moles/L) = 2.62 x 10-4 moles/L.

## How do you calculate the equilibrium constant for an e cell?

= 0.1382 volts

1. = 0.1382 volts. …
2. Now that we have Ecell, we can calculate the equilibrium constant using the Nernst equation at standard conditions: Ecell = 0.0257volts/n * (lnK) …
3. K = 4.69 x 104

## What is the KSP value?

What is Ksp? Ksp (Solubility product constant) is the equilibrium between a solid and its respective ions in a solution. The value of the constant identifies the degree of which the compound can dissociate in water. For example the higher the Ksp the more soluble the compound is.

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## What is KSP unit?

Actually, it doesn’t have a unit! The K s p value does not have any units because the molar concentrations of the reactants and products are different for each equation.

## What would be the solubility of PbS?

Names
Boiling point 1,281 °C (2,338 °F; 1,554 K)
Solubility in water 2.6×1011 kg/kg (calculated, at pH=7) 8.6×107 kg/kg
Solubility product (Ksp) 9.04×1029
Magnetic susceptibility (χ) −84.0·106 cm3/mol

## What is the KSP of PbS?

Solubility Product Constants, Ksp

Sulfides
CuS 1 x 1036
FeS 1 x 1018
PbS 1 x 1028
MnS 1 x 1011

## What is Q in KSP?

The reaction quotient, Q, can be used to determine whether a precipitate will form with a given concentration of ions. … If Q < Ksp, no precipitate will form. If Q = Ksp, a precipitate will form. If Q > Ksp, a precipitate will form.

## What is the relation between E cell and equilibrium constant?

The Relationship between Cell Potential & the Equilibrium Constant. Thus E°cell is directly proportional to the logarithm of the equilibrium constant. This means that large equilibrium constants correspond to large positive values of E°cell and vice versa.

## What is Eº?

Eº cell is the standard state cell potential, which means that the value was determined under standard states. … Similar to the standard state cell potential, Eºcell, the Ecell is the non-standard state cell potential, which means that it is not determined under a concentration of 1 M and pressure of 1 atm. 