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Home > Percent of O2 in the Air Kit (Teacher-Developed, Classroom-Tested)
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Percent of O2 in the Air Kit (Teacher-Developed, Classroom-Tested)
Percent of O2 in the Air Kit (Teacher-Developed, Classroom-Tested)

Product NameSKUPriceQty
Percent of O2 in the Air Kit
This item is restricted, it only ships to registered educational institutions.
WW46390M00
 $27.99 
Support Stand w/ 46 cm Long Rod, 10 cm x 15 cm Base
WW63080M01
 $10.00 
Ring, Support, w/ Clamp, 6.5 cm ID, 8 cm OD
WW63085M03
 $7.95 




Product Information

Ever tried to burn a candle in an inverted jar partially filled with water?
It's not the easiest or most accurate way to quantify the amount of O2 in air. So we came up with a better way, one that is easy to set up, run, measure, and can be performed several times in a single class period.
The key is a Mohr's pinchcock, which helps you gauge when the pressure inside the flask equals the pressure outside the flask once your combustion reaction has taken place. We think this demo is truly a breath of fresh air! Developed by Lisa Water. Grades 10-12.
Includes: alcohol, graduated cylinder, cotton balls, Mohr's pinchcock, flask with stopper, tubing, and complete instructions. A ring stand and support ring with clamp are required but not included.

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