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Biology, 03.09.2019 17:10 andres2865
During a biology lab practical, students were required to identify a metal by its density. all the metals were painted green so students could not use color as a factor to eliminate choices. carl computed the density of his sample metal to be 8.9 g/cm3. since carl's lab grade depended on his accuracy and correct identification of the sample metal, he was unsure which sample he had, nickel or copper.
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