This calculator helps the user to estimate the concentration of the solution by Titration. It is used for titration-based test kits where the concentration ratio from the torrent described in the instructions is suspected.

I want to calculate

Molarity of the acid

Volume of the acid

Moles of H+ contributed

Molarity of the base

Volume of the base

Moles of OH- contributed

Molarity of the acid

Volume of the acid

Moles of H+ contributed

Molarity of the base

Volume of the base

Moles of OH- contributed

Titration Calculator

A titration calculator is a simple tool that allows you to calculate the amount of acid or base needed for your reaction. The calculator will give you an estimate based on the volume and concentration of the solution, as well as the pH of the solution. It's easy to use.

Enter the amounts of reagents (acid/base) and the desired endpoint (pH), then click Calculate.

Titration Calculator - Acid-Base Chart

This chart shows how much acid or base is required to reach various endpoints. You can select from any point in the range by clicking on it.

Titrations with a pH meter

You may also want to perform a titration using a pH meter. This is done by adding a known amount of base or acid to a water sample until the pH reaches a specific value.

For example if you wanted to know what the pH would be when hydroxide ions replaced half the hydrogen ions, you could add enough NaOH to increase the pH to 10.0.

Then, measure the pH of the solution with a pH meter. If the pH reading was 10.0, then the number of OH moles equals the number of moles H+ present.

[H2] What is Titration?

A titration is a chemical process where one substance (the titrant) reacts with another substance (the reactant). In this case, the reactant is called the "reagent" because it is the substance used to change the state of the other importance.

The titrant is the substance that changes its state, usually by combining with the reactant. When a molecule of water combines with a molecule of hydrochloric acid, we say that one mole of water has mixed with one mole of hydrochloric acid.

We call this reaction molar reaction. The term molecular refers to the fact that each molecule of water contains only one oxygen atom. Each molecule of hydrochloric gas includes two atoms of chlorine.

So, the molecular weight of water is 18 grams per mole, while the molecular weight of hydrochloric gas is 35.5 grams per mole.

When we combine these two substances, they form a new compound called salt. A salt is formed when two molecules combine to make a single molecule.
For example sodium chloride is produced when one mole of sodium and one mole of chlorine combine to create one mole of sodium chloride.

When we add a substance to a liquid, we change the composition of the fluid. We are adding something to the mixture. This means that the total mass of the liquid is not increasing.

Instead, the mass of the liquid decreases slightly, but the mass of the substance added increases.

How to calculate titrations?

To determine the amount of acid or alkali necessary to neutralize a given quantity of base or acid,
we need to know the following:
What is the mass of the base or acid?
What is the mass (molecular weight) of the neutralized product?
What is the volume of the solution?
To find out the answer to these questions, we must first convert the units of measurement into SI units.
SI Units
Mass kg
Volume L
Molarity M

One mole of a substance is defined as the ratio of the mass of a pure essence to the mass of 1 gram of that substance.

If there are 100 g of a substance and 1 g of that substance weighs exactly 1 gram, then the mass of 1 mole of that substance is equal to 100 g.

If we have 2 liters of a solution containing 0.1 mol/L of acid, how many moles of acid do we have in our solution?

Titration Formula We can use the formula for calculating the concentration of a solution:
C / ( + )
where C is the concentration of the acid in mol/L, is the mass of the acid in grams, and is the mass of base in grams.

For example if we want to know how much potassium hydroxide is needed to neutralize 10 mL of sulfuric acid, we would write the equation like this:
10 mL 10 x 10^-3 L
or
(10 x 10^-3) L 10 mL
Solving for, we get
10 mL
So, the mass of KOH required to neutralize 10 mL is.

Titration method
Titration is a simple way to measure the strength of acids and bases. The most common types of titration are:

Volumetric Titration

This type of titration involves measuring the volume of the solution after a specific time period. It is also known as end point titration.

End Point Titration

This type involves determining the endpoint at which the color of the solution turns from yellow to red.

Colorimetric Titration

This is a particular case of volumetric titration, where the endpoint is determined by visual inspection.

The basic principle behind all three methods is that the stronger the acid or base, the more it will react with the other substance. When the reaction is complete, the solution becomes clear again.

Calculating the pH of a solution

pH is the abbreviation for potential hydrogen. It is used to describe the relative acidity or basicity of a solution. If the solution has a higher pH value than 7, it is said to be acidic; the answer is considered essential if the solution has a lower pH value than 7.

Titration calculation example

Suppose you want to know what the pH of a solution is. Add some indicators to your answer and wait until the solution changes color. What does this mean?

The indicator reacts with the H+ ions in the solution, so the solution gets less acidic. As the solution becomes less acidic, its pH rises above 7.

That's why when the solution turns blue, the pH of the solution is greater than 7.

Now, suppose you add another drop of indicator to the same solution. How long should you wait before adding the second drop?

You need to add the second indicator drop just as soon as the first drop starts turning blue. It means the solution needs to become slightly less acidic before the second drop of indicator reacts.

Therefore, the solution takes longer to turn blue. When the solution finally turns blue, it means that the pH of the solution must be greater than 7.5. So, the pH of the original solution was approximately 8.4.

How to calculate the pH of a solution using the Henderson–Hasselbalch Equation

The Henderson–Hasselbalg equation allows us to calculate the pH of any solution based on two variables:

the pKa (the negative logarithm of the dissociation constant) and the concentration of the ion in question.

Let's say we have a solution containing an unknown amount of protons. We can use the Henderson–Hasselbach equation to determine the number of moles of protons in the solution.

How to Find Titration?

To find the amount of alkali needed to neutralize a particular acid, you need to take into account the following factors:

Concentration of Acid
Amount of Alkali
Volume of Solution

The following table shows how much alkali is needed to neutralize a given quantity of acetic acid.
Acid Neutralised Quantity of Acetic Acid 0.25 L 1.0 g NaOH 2.0 mL 10.0 g NaOH 20.0 mL

Acid-base titration method

There are several ways to perform titrations. The most common way is to measure the volume of the solution after each addition of the reagent. However, there are also many other ways to do this.

For instance, you could weigh the reagents instead of measuring them. Another option is to use a graduated cylinder.

A simple way to determine the endpoint is to use a pH meter. A pH meter measures the pH of a sample by sending a current through a glass electrode immersed in the example.

The reading will change from acidic to basic when the electrode reaches a specific voltage. Calculating the End Point

If you're doing a titration experiment, you'll probably want to know how much base you've added. To find out, you need to calculate the endpoint.

Process of AcidBase Titration? An acid-base titration is a chemical reaction between an acid and a base. During the process of acid-base titration, the base is added to the acid until the mixture no longer produces a color change.

The endpoint is the point at which the solution has reached its maximum absorbance or color intensity.

What Is the End Point? The endpoint is where the solution stops changing color. It's when the color changes from yellow to red.

How to Calculate Endpoint?

To calculate the endpoint, you need to figure out what the final pH of the solution will be. You can do this by calculating the pH of the solution with the Henderson–Hasselbaalch equation. Then, you can subtract the pH of the solution from 7.

Titration curves

Acids and bases were first used for scientific experiments during the 17th century and were initially used to separate metals from their ores.

Today, they are still used for separating metals from their ores, but they are also used in industry. Bases such as sodium hydroxide (NaOH) wash clothes and remove fabric stains.

Acid-base titration calculations

You may have heard that adding too much base to your solution will cause the solution to become too strong. This is not true! If you add too much base, the solution won't get any weaker. Instead, it will just turn into salt.

When adding base to your solutions, always remember to follow these steps:

Add enough base to make sure the solution turns yellow.
Wait until the solution becomes clear again before adding another drop of the base.
Repeat step two until the solution reaches the desired pH level.
Record the number of drops of base needed to reach the endpoint.
Subtract the number of drops of acid required to neutralize the base.
Multiply the result by 0.01 to convert the units to milliliters.
Divide the volume by 100 to convert the units to liters.
Convert the answer to grams using the following formula:
g ml / 1000 * 0.001
Finally, multiply the result by 2.303 to convert the units back to moles.

Titration molarity

Molarity refers to the concentration of a substance in a given volume of solution. Molarity is measured in moles per liter.

For example if you had 1 L of water and wanted to know how many moles of NaCl there were in the solution, you would divide the total mass of the solution (in grams) by the density of the solution (in g/L).

In this case, we'd use pure water density (approximately 998 mg/mL). So, the molarity of our solution is about 10 mM.

If you want to find the molarity of a mixture of substances, you add up the individual molarities of each component.

PH of titration calculator The PH of a solution is an essential factor to consider when doing titrations. For instance, if you're testing a weak acid or base, you'll want to start with a higher pH than usual.

To find the PH of a solution, you can use the Henderson–Hasselbalch equation. Enter the acid and base concentrations into the calculator, then click "Calculate." You can view the results on the page.

FAQ's on Titration Calculator

What does it mean when I see a decimal point?

A decimal point means that the calculation was done in decimals. To do this, you must select the " Decimal " option under the "Display Options" tab.

Titration Formula

Acids formula

Formula	Name	Strength
HCl	Hydrochloric acid	Strong
HNO₃	Nitric acid	Strong
H₂SO₄	Sulfuric acid	Strong
HBr	Hydrobromic acid	Strong
HI	Hydroiodic acid	Strong
HClO₄	Perchloric acid	Strong
HClO₃	Chloric acid	Strong
HCOOH	Formic acid	Weak
CH₃COOH	Acetic acid	Weak
C₆H₅COOH	Benzoic acid	Weak
HF	Hydrofluoric acid	Weak
HNO₂	Nitrous acid	Weak
H₃PO₄	Phosphoric acid	Weak

Acid Base Titration Calculator Formula

NaOH	Sodium hydroxide	Strong
KOH	Potassium hydroxide	Strong
Ca(OH)₂	Calcium hydroxide	Strong
Ba(OH)₂	Barium hydroxide	Strong
NH₃	Ammonia	Weak
CH₃NH₂	Methylamine	Weak
C₅H₅N	Pyridine	Weak