Save
the Empties
Grades 8–12
Submitted by Jack W. Richens Jr., Christian Fellowship School, Columbia,
MO
Keep a set of clean, empty reagent bottles on hand to inventory your
chemicals. Here’s how you use them. Tare your electronic balance with
one of them and then weigh all bottles of the same size that contain
chemicals, thus yielding the grams of chemical in each bottle. Repeat
the process for each bottle size in your inventory.
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Teachers of chemistry at the high school level and beyond can use these
principles to design demonstrations and experiments for low
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