Equivalent Mass of an Acid Calculator

Enter value and click on calculate. Result will be displayed.
Molecular Mass of an Acid :
Number of ionizable hydrogens (H+) :
Result:
Equivalent mass of an acid (EM) :

What is an Equivalent Mass of an Acid Calculator?

An Equivalent Mass of an Acid Calculator is a tool that determines the equivalent mass of an acid, which is the mass of the acid that donates one mole of hydrogen ions (H⁺) in a reaction. It helps in titration calculations and chemical analysis.

The formula to calculate the equivalent mass of an acid is:

where basicity is the number of replaceable hydrogen ions (H⁺) per molecule of the acid.

Why use an Equivalent Mass of an Acid Calculator?

  • Quick and accurate calculations for lab experiments.
  • Essential in titration to determine normality and equivalent weight.
  • Helps in stoichiometry for balancing acid-base reactions.
  • Useful in industrial applications like pharmaceuticals and food chemistry.

How does it work?

  1. Input the molar mass of the acid (from the periodic table).
  2. Enter the basicity (number of H⁺ ions the acid donates).
  3. The calculator divides the molar mass by basicity to give the equivalent mass.

Example Calculation:

For Sulfuric Acid (H₂SO₄)

  • Molar Mass = 98 g/mol
  • Basicity = 2 (because it donates 2 H⁺)

When to use this calculator?

  • In titration experiments to determine acid strength.
  • In chemistry labs for normality and stoichiometry.
  • For industrial and pharmaceutical applications involving acids.
  • In educational settings for students learning acid-base chemistry.