Acid and Base Molarity Calc

The Acid and Base Molarity Calculator provides lab-ready directions on how to prepare an acid or base solution of a specified Molarity (M) from a concentrated acid or base solution. The molarity of a solution is defined as the number of moles of... Read More

The Acid and Base Molarity Calculator provides lab-ready directions on how to prepare an acid or base solution of a specified Molarity (M) from a concentrated acid or base solution.

The molarity of a solution is defined as the number of moles of solute per liter of solution. Molarity facilitates easy dilution of a solution using the dilution formula, where the initial concentration multiplied by the initial volume equals the final concentration multiplied by the final volume (M1V1=M2V2). Multiplying the molarity by the volume gives the total moles of the material, which can then be diluted to any lower concentration.

Calculated results are copyable to other apps.

Formula:
Molarity= [(% x d) / MW] x 10

Where:
- % = Weight Percentage,
- d = Density,
- MW = Molecular Weight.

Molarity refers to:
1) The number of moles of solute per liter of solution.
2) The number of moles of a solute dissolved in a liter of solvent. Note: Be careful not to confuse molarity with molality. Molarity is represented by a small "m," whereas molality is represented by an uppercase "M."
3) The number of moles of solute in a liter of solution.

Example:
Calculate the Molarity for the given details.
Weight percentage = 250
Density = 50
Molecular weight/Formula Weight = 25

Solution:
Apply Formula:
Molarity = [(% x d) / MW] x 10
Molarity = 5000

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