Determination of Avogadros Number by Spreading A Monolayer of Stearic Acid on a Known Surface Area
Summary :
Table of Contents
- Introduction
- Results
- Table of results
- Discussion
- Conclusion
- References
Abstract
avogadro's law states that equal volumes of gases, at the same temperature and pressure, contain the same number of molecules. avogadro's constant(№)is the number of molecules in one mole of any substance, and it is known to be 6.02 x 1023. This laboratory exercise attempts to experimentally verify avogadro's constant by spreading a monolayer of stearic acid on a known surface area of water. avogadro's number can be obtained by calculating and dividing the number of stearic acid molecules in a known area of the monolayer by the number of moles of stearic acid in the same area, which can be found through simple calculations involving the mass added and the known molar mass.
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