Principal Sponsors
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National Science Foundation
An independent federal agency created by Congress in 1950 to promote the progress of science.
King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.
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Molarity
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What determines the concentration of a solution? Learn about the relationships between moles, liters, and molarity by adjusting the amount of solute and solution volume. Change solutes to compare different chemical compounds in water.
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Teaching Resources
Main Topics
- Solutions
- Molarity
- Moles
- Volume
- Solubility
- Saturation
Sample Learning Goals
- Describe the relationships between volume and amount of solute to concentration.
- Explain how solution color and concentration are related.
- Calculate the concentration of solutions in units of molarity (mol/L).
- Use molarity to calculate the dilution of solutions.
- Compare solubility limits between solutes.
Tips for Teachers
The teacher's guide (pdf) contains tips created by the PhET team.
Teaching Ideas
| Title | Authors | Level | Type | Updated |
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Saturated Solutions - Interactive Lecture Demonstration
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Ted Clark, Julia Chamberlain | UG-Intro | Demo | 11/5/14 |
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Solutions Unit Sample
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Trish Loeblein | UG-Intro HS |
Demo CQs Lab HW |
7/21/13 |
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Molarity and Dilution
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Trish Loeblein | UG-Intro HS |
HW Lab |
2/20/12 |
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Concept Questions for Chemistry using PhET
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Trish Loeblein | HS UG-Intro MS |
CQs | 7/9/13 |
| Molarity of Solutions | Erica Peddi | UG-Intro HS |
HW Demo Lab |
9/30/14 |
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PhET Sims Aligned to the Chemistry Curriculum
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Julia Chamberlain | HS UG-Intro |
Other | 7/15/14 |
| Concentration and Molarity PhET Lab | Chris Bires | MS HS |
Lab | 3/14/12 |
You can submit your own ideas and activities.
Related Simulations
Translated Versions:
Software Requirements
| Windows | Macintosh | Linux |
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Microsoft Windows XP/Vista/7 Sun Java 1.5.0_15 or later
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OS 10.5 or later Sun Java 1.5.0_19 or later
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Sun Java 1.5.0_15 or later
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Credits
| Design Team | Third-party Libraries | Thanks To |
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