Chemistry
Acid-Base Solutions
Compare strong and weak acids and bases in solution.
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pH Scale
Explore pH, concentration and ions in solutions.
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Simulation by PhET Interactive Simulations, University of Colorado Boulder. LearnHive curates the catalog and supporting study material.
Quick start
- Pick a substance from the drop-down or dip a custom liquid.
- Read the pH value shown by the meter or litmus paper.
- Switch to 'Micro' view to see the ratio of H3O+ to OH- ions.
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