Chemistry

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Titration Calculator.

Calculate monoprotic equivalence volume with C1V1 = C2V2.

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Equivalence volume: 25 mL

Equivalence volume

25.000000mL

Educational formula calculator. Keep units consistent and verify assumptions against your laboratory or course specification.

Use Cases

Laboratory titration planning

Quickly estimate the titrant volume needed for a monoprotic titration before performing the experiment, helping with solution preparation and burette filling.

Example: If you have 25 mL of 0.1 mol/L HCl and titrant NaOH at 0.2 mol/L, the equivalence volume is 12.5 mL.

Educational practice

Students can verify their manual calculations of equivalence volume in acid-base titration problems, reinforcing the concept of stoichiometry.

Example: Check your answer for a titration of 50 mL of 0.05 mol/L acetic acid with 0.1 mol/L NaOH.

Frequently Asked Questions

What does this titration calculator do?
This calculator determines the volume of titrant needed to reach the equivalence point in a monoprotic acid-base titration. It uses the formula C1V1 = C2V2, where C1 and V1 are the concentration and volume of the analyte, and C2 is the concentration of the titrant. The result is the titrant volume (V2) in milliliters.
How do I use the titration calculator?
Enter the analyte concentration in mol/L, the analyte volume in mL, and the titrant concentration in mol/L. The calculator will compute the equivalence volume in mL using the formula V2 = (C1 * V1) / C2. Ensure all inputs are positive numbers.
What is the equivalence volume in titration?
The equivalence volume is the volume of titrant required to completely react with the analyte. For a monoprotic titration, it is calculated using C1V1 = C2V2. This calculator provides that volume based on your inputs.

Tips & Common Mistakes

Tips

  • Ensure all concentrations are in mol/L and volumes in mL to get the correct equivalence volume in mL.
  • Double-check that your analyte and titrant are both monoprotic; this calculator is not for polyprotic acids or bases.
  • Use the calculated volume as a guide; in practice, you may need to add titrant dropwise near the endpoint for accuracy.
  • Remember that the formula assumes complete reaction and no side reactions; real titrations may have slight deviations.

Common Mistakes to Avoid

  • Using different units for concentration (e.g., mmol/mL) without converting to mol/L, leading to incorrect results.
  • Forgetting that the formula applies only to monoprotic species; using it for diprotic acids like H2SO4 will give wrong equivalence volumes.
  • Entering the titrant volume instead of the analyte volume, or mixing up which concentration is which.

Last updated: August 13, 2026