Concentration Calculator

- May 10, 2025

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Select Compound:

Formula: H₂O

Molar Mass: 18.015 g/mol

Mass (g):

Volume (L):

Decimal Places:

Use Scientific Notation:

Calculation Results

Result

0.0000

mol/L

Input 1

0.0000

Input 2

0.0000

Compound Details

Formula:

H₂O

Molar Mass:

18.015 g/mol

Molarity:

0.5000 mol/L

Volume:

1.0000 L

Mass:

9.0075 g

Moles:

0.5000 mol

Alternative Concentration Units

Molality

0.0000

mol/kg

Mass Percent

0.0000

PPM

0.0000

mg/L

About Solution Concentration

Molarity (M) is defined as moles of solute per litre of solution.
Formula: Molarity = moles of solute / volume of solution in litres
Formula: Mass of solute = Molarity × Volume × Molar Mass
Dilution principle: M₁V₁ = M₂V₂ (concentration × volume remains constant during dilution)
The SI unit for molarity is mol/L or mol·L⁻¹.
Higher molarity means a more concentrated solution.
Molality (mol/kg) is similar to molarity but uses mass of solvent instead of volume of solution.
Mass percentage expresses concentration as grams of solute per 100 grams of solution.
PPM (parts per million) is often used for very dilute solutions (1 ppm = 1 mg/L for aqueous solutions).

Understanding the Concentration Calculator

The Concentration Calculator is a handy tool designed to help you determine the concentration of solutions. Whether you're working in a lab or just curious about Chemistry, this calculator simplifies complex calculations. It offers different methods to choose from, making it versatile for various needs. With this tool, you can easily calculate molarity, mass, volume, or even perform dilution calculations.

Calculating Molarity Made Easy

One of the key features of this calculator is its ability to calculate molarity. Molarity is a measure of how much solute is present in a solution. You can select from common compounds like water, sodium chloride, and glucose, or enter a custom compound. By providing the mass of the solute and the volume of the solution, you'll quickly obtain the molarity value.

Mass and Volume Calculations

In addition to molarity, the Concentration Calculator allows you to compute mass and volume. This means you can find out how much mass you need for a specific molarity or the volume needed for a certain mass. Here are key benefits of this feature:

Ease of use with straightforward inputs.
Ability to switch between different units effortlessly.
Support for both common and custom compounds.

Dilution Calculations Simplified

Another fantastic aspect of this calculator is its dilution feature. You can use the dilution formula (M₁V₁ = M₂V₂) to figure out how to dilute a solution. Just input your initial molarity and volume, and it can help calculate the final concentration or volume. This is particularly useful for those in laboratories needing precise dilutions.

Selecting the Right Compound

The Concentration Calculator offers a wide variety of compounds to choose from. You can select from the most common substances used in chemistry or input your own custom formula. This flexibility is beneficial for both students and professionals in different fields of Science. Knowing the molar mass of your chosen compound is essential for accurate calculations.

Custom Compound Feature

For those working with unique substances, the calculator allows you to add custom compounds. You can enter the chemical formula and the molar mass. This feature ensures that even less common compounds can be accurately calculated, making the calculator very user-friendly for specialised applications.

Adjusting Decimal Precision

The Concentration Calculator also lets you adjust the decimal places for your results. You can choose to display results in two to six decimal places. This is particularly helpful when precision is crucial, such as in scientific research or experiments. Just adjust the settings to fit your needs.

Why Use the Concentration Calculator?

This calculator is not just about numbers; it's about making your life easier. Whether you’re a student trying to grasp chemistry concepts or a professional needing quick calculations, it’s a useful tool. You can perform various calculations in one place, saving time and reducing the chance of errors. With clear results and flexible options, it’s an excellent resource for anyone dealing with chemistry.

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