Chemistry Calculations, Dimensional Analysis, & Measurement Unit Test Study Guide

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Last updated 5:25 AM on 9/9/26
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4 Terms

1
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How would you define accuracy?

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2
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How is the precision of an instrument shown when recording a measurement?

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3
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Two students did three trails each of calculating the density of an unknown substance. The students’ results are recorded below. Answer the questions to the right considering that the density of the substance is actually 12.05 g/cm3?

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4
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The density of calcium is 1.54 g/cm3. In the lab a student found the density of calcium to be 1.35 g/cm3. What is the percent error for the student’s work?

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