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OpenStudy (ily.sav):
The density of lead is 11.4 g/cm3 at 20°C. A chemist has a metallic sample that is either pure lead or mostly lead. If the density of the sample is 11.0 g/cm3 at 20°C, then the sample most likely is _____.
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OpenStudy (welshfella):
the metal is slightly lighter than puer lead so there must be another material mixed with it.
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