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Molarity Calculator

Molarity: Ideal concentration arithmetic.

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Molarity Calculator for United States

US · 12,345.67US customary measurementsRoad distance: miles

United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.

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Results update instantly as you change the inputs.

Molarity (mol/L)

0.1

United States · calculated from your inputs

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How this result was calculated

  1. C=mass/(molar mass×final solution volume). Rearrange for the selected unknown.
  2. Country setup: United States. Displayed measurements are converted to the formula's base units internally.

Assumption: Ideal concentration arithmetic. Use final solution volume; this does not check solubility, reaction hazards or non-ideal activity. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.

Calculation version 1.0.0 · Support state: generic

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Formula and method

C=mass/(molar mass×final solution volume). Rearrange for the selected unknown.

This calculation uses the values you enter. It runs in your browser and does not request a location or account.

Worked example

5.844 g of a 58.44 g/mol solute in 1 L gives 0.1 mol/L.

Questions people ask

Which method does this tool use?

C=mass/(molar mass×final solution volume). Rearrange for the selected unknown.

What should I check before using the result?

Ideal concentration arithmetic. Use final solution volume; this does not check solubility, reaction hazards or non-ideal activity.