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A bar of silver has a mass of 68.0g and a volume 6.48cm^3. What is the density of silver? Explain.
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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When a scientific theory has been tested and proved by the scientific community, it becomes a law
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A bar of silver has a mass of 68.0g and a volume 6.48cm^3. What is the density of silver? Explain....
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