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Mass, Weight, and Density Density is mass per unit of volume. M D = ------- V.

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Mass, Weight, and Density Density is mass per unit of volume. M D = ------- V

Volume For a rectangular solid: V = LWH For a cylinder: V = πr 2 h For an irregular solid: ???

Volume How are we going to find the volume of an irregular solid?

Volume

Lab # 2 Using Density to Find the Thickness of a Wire

Lab # 2 Part 1: Find the density of copper. M D = ------- V

Lab # 2 Part 2: Using the density, find the volume of a sample of copper wire. M V = ------- D

Homework Read ChemLab 2 (pp 46-47) Answer the Pre-Lab questions

Today: Collect raw data Graph mass vs. volume Tomorrow: Do the math Answer discussion questions 3 and 6

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