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 | Carolina Biological Supply Company | |  | |  |  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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