pKb of Basic Buffer using Henderson's Equation Calculator

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Ionic equilibrium

Chemical equilibrium

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Buffer Solution

Acidity and pH Scale

Ostwald Dilution Law

Relative Strength of Two Acids

Salt Hydrolysis

✖The Negative Log of Hydroxyl Concentration gives us the value of hydroxyl concentration on the pH scale.ⓘ Negative Log of Hydroxyl Concentration [pOH]			+10% -10%
✖The Concentration of Salt is the number of moles of solute dissolved in 1 liter of solution.ⓘ Concentration of Salt [C_salt]			+10% -10%
✖The Concentration of Base is the number of moles of base dissolved in 1 liter of solution.ⓘ Concentration of Base [C_base]			+10% -10%

✖Negative Log of Base Ionization Constant gives us the base ionization constant on a pH scale.ⓘ pKb of Basic Buffer using Henderson's Equation [pK_b]

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Formula

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pKb of Basic Buffer using Henderson's Equation

Formula

`"pK"_{"b"} = "pOH"-log10("C"_{"salt"}/"C"_{"base"})`

Example

`"7.69897"="8"-log10("50mol/L"/"25mol/L")`

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pKb of Basic Buffer using Henderson's Equation Solution

STEP 0: Pre-Calculation Summary

Formula Used

Negative Log of Base Ionization Constant = Negative Log of Hydroxyl Concentration-log10(Concentration of Salt/Concentration of Base)
pK_b = pOH-log10(C_salt/C_base)
This formula uses 1 Functions, 4 Variables

Functions Used

log10 - The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function., log10(Number)

Variables Used

Negative Log of Base Ionization Constant - Negative Log of Base Ionization Constant gives us the base ionization constant on a pH scale.
Negative Log of Hydroxyl Concentration - The Negative Log of Hydroxyl Concentration gives us the value of hydroxyl concentration on the pH scale.
Concentration of Salt - (Measured in Mole per Cubic Meter) - The Concentration of Salt is the number of moles of solute dissolved in 1 liter of solution.
Concentration of Base - (Measured in Mole per Cubic Meter) - The Concentration of Base is the number of moles of base dissolved in 1 liter of solution.

STEP 1: Convert Input(s) to Base Unit

Negative Log of Hydroxyl Concentration: 8 --> No Conversion Required
Concentration of Salt: 50 Mole per Liter --> 50000 Mole per Cubic Meter (Check conversion here)
Concentration of Base: 25 Mole per Liter --> 25000 Mole per Cubic Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

pK_b = pOH-log10(C_salt/C_base) --> 8-log10(50000/25000)

Evaluating ... ...

pK_b = 7.69897000433602

STEP 3: Convert Result to Output's Unit

7.69897000433602 --> No Conversion Required

FINAL ANSWER

7.69897000433602 ≈ 7.69897 <-- Negative Log of Base Ionization Constant

(Calculation completed in 00.004 seconds)

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National Institute Of Technology (NIT), Surathkal

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< 11 Buffer Solution Calculators

pKa of Acidic Buffer using Henderson's Equation

Go Negative Log of Acid Ionization Constant = Negative Log of Hydronium Concentration-log10(Concentration of Salt/Concentration of Acid)

pH of Acidic Buffer using Henderson's Equation

Go Negative Log of Hydronium Concentration = Negative Log of Acid Ionization Constant+log10(Concentration of Salt/Concentration of Acid)

pOH of Basic Buffer using Henderson's Equation

Go Negative Log of Hydroxyl Concentration = Negative Log of Base Ionization Constant+log10(Concentration of Salt/Concentration of Base)

pKb of Basic Buffer using Henderson's Equation

Go Negative Log of Base Ionization Constant = Negative Log of Hydroxyl Concentration-log10(Concentration of Salt/Concentration of Base)

Concentration of Salt in Acidic Buffer using Henderson's equation

Go Concentration of Salt = Concentration of Acid*(10^(Negative Log of Hydronium Concentration-Negative Log of Acid Ionization Constant))

Concentration of Acid in Acidic Buffer using Henderson's Equation

Go Concentration of Acid = Concentration of Salt/(10^(Negative Log of Hydronium Concentration-Negative Log of Acid Ionization Constant))

Concentration of Salt in Basic Buffer using Henderson's Equation

Go Concentration of Salt = Concentration of Base*(10^(Negative Log of Hydroxyl Concentration-Negative Log of Base Ionization Constant))

Concentration of Base in Basic Buffer using Henderson's Equation

Go Concentration of Base = Concentration of Salt/(10^(Negative Log of Hydroxyl Concentration-Negative Log of Base Ionization Constant))

Buffer Capacity

Go Buffer Capacity = Number of Moles of Acid or Base/Change in pH

Maximum pH of Basic Buffer

Go Negative Log of Hydronium Concentration = 14-Negative Log of Base Ionization Constant

Maximum pOH of Acidic Buffer

Go Negative Log of Hydroxyl Concentration = 14-Negative Log of Acid Ionization Constant

pKb of Basic Buffer using Henderson's Equation Formula

Negative Log of Base Ionization Constant = Negative Log of Hydroxyl Concentration-log10(Concentration of Salt/Concentration of Base)
pK_b = pOH-log10(C_salt/C_base)

What is pKb scale?

The pKb is the negative base-10 logarithm of the base dissociation constant (Kb) of a solution. It is used to determine the strength of a base or alkaline solution. The lower the pKb value, the stronger the base. As with the acid dissociation constant, pKa, the base dissociation constant calculation is an approximation that is only accurate in dilute solutions.

What is a buffer solution?

A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. Its pH changes very little when a small amount of strong acid or base is added to it.

How to Calculate pKb of Basic Buffer using Henderson's Equation?

pKb of Basic Buffer using Henderson's Equation calculator uses Negative Log of Base Ionization Constant = Negative Log of Hydroxyl Concentration-log10(Concentration of Salt/Concentration of Base) to calculate the Negative Log of Base Ionization Constant, The pKb of basic buffer using Henderson's equation formula is defined as the function of pOH, concentration of the salt and the concentration of the base, which is given in Henderson's equation. Negative Log of Base Ionization Constant is denoted by pK_b symbol.

How to calculate pKb of Basic Buffer using Henderson's Equation using this online calculator? To use this online calculator for pKb of Basic Buffer using Henderson's Equation, enter Negative Log of Hydroxyl Concentration (pOH), Concentration of Salt (C_salt) & Concentration of Base (C_base) and hit the calculate button. Here is how the pKb of Basic Buffer using Henderson's Equation calculation can be explained with given input values -> 7.778151 = 8-log10(50000/25000).

FAQ

What is pKb of Basic Buffer using Henderson's Equation?

The pKb of basic buffer using Henderson's equation formula is defined as the function of pOH, concentration of the salt and the concentration of the base, which is given in Henderson's equation and is represented as pK_b = pOH-log10(C_salt/C_base) or Negative Log of Base Ionization Constant = Negative Log of Hydroxyl Concentration-log10(Concentration of Salt/Concentration of Base). The Negative Log of Hydroxyl Concentration gives us the value of hydroxyl concentration on the pH scale, The Concentration of Salt is the number of moles of solute dissolved in 1 liter of solution & The Concentration of Base is the number of moles of base dissolved in 1 liter of solution.

How to calculate pKb of Basic Buffer using Henderson's Equation?

The pKb of basic buffer using Henderson's equation formula is defined as the function of pOH, concentration of the salt and the concentration of the base, which is given in Henderson's equation is calculated using Negative Log of Base Ionization Constant = Negative Log of Hydroxyl Concentration-log10(Concentration of Salt/Concentration of Base). To calculate pKb of Basic Buffer using Henderson's Equation, you need Negative Log of Hydroxyl Concentration (pOH), Concentration of Salt (C_salt) & Concentration of Base (C_base). With our tool, you need to enter the respective value for Negative Log of Hydroxyl Concentration, Concentration of Salt & Concentration of Base and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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