Summary:
Describes chemistry lab on density of liquids and solids. Attempts to determine the mass and volume of three different samples in order to ascertain the density of each. The samples are a rubber stopper, an unknown sample of rubbing alcohol, and an unknown metal.
Density of Liquids and Solids
I. Introduction: Density is a physical property of matter that is used in chemistry and in all sciences to determine the concentration of a substance. For example solids have a higher density then liquids because a solid has a higher concentration of molecules within the same area. In this experiment we attempted to determine the mass and volume of three different samples in order to ascertain the density of each. The samples are a rubber stopper, an unknown sample of rubbing alcohol, and an unknown metal.
II. Materials: Protective goggles, Triple Beam Balance, Crucible Tongs, Rubbing Alcohol, Data Sheet, "Mad Scientist Notebook", 10mL graduated cylinder, 100mL graduated cylinder, Piece of white paper or card to hold behind graduated cylinder, Test Tube, Container to pour discarded alcohol samples in, Rubber Stopper, Water, Metal.....
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