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Example Exercise 2 Density of a Rubber Stopper A rubber stopper weighing 8.453 g displaces 6.5 mL of water in a graduated cylinder (Figure 2). What is the density of the rubber stopper? Solution: Dividing the mass of the rubber stopper by its volume, we have 8.453 g 1.3 g/mL 6.5 mL In this example, the volume has only two digits. Thus, the density is limited to two significant digits. We will also determine the density of a solid. The volume of any solid object with regular dimensions can be found by calculation. For example, the volume of a rectangular solid object is calculated by multiplying its length times its width times its thickness. BRUCE

Example Exercise 2 Density of a Rubber Stopper A rubber stopper weighing 8.453 g displaces 6.5 mL of water in a graduated cylinder (Figure 2). What is the density of the rubber stopper? Solution: Dividing the mass of the rubber stopper by its volume, we have 8.453 g 1.3 g/mL 6.5 mL In this example, the volume has only two digits. Thus, the density is limited to two significant digits. We will also determine the density of a solid. The volume of any solid object with regular dimensions can be found by calculation. For example, the volume of a rectangular solid object is calculated by multiplying its length times its width times its thickness. BRUCE

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A rubber stopper weighing 8.554 g displaces 7.0 mL of water in a graduated cylinder. Refer to Example Excercise 2 and calculate the density of the solid rubber stopper.

Example Exercise 2 Density of a Rubber Stopper A rubber stopper weighing 8.453 g displaces 6.5 mL of water in a graduated cylinder (Figure 2). What is the density of the rubber stopper? Solution: Dividing the mass of the rubber stopper by its volume, we have 8.453 g 1.3 g/mL 6.5 mL In this example, the volume has only two digits. Thus, the density is limited to two significant digits. We will also determine the density of a solid. The volume of any solid object with regular dimensions can be found by calculation. For example, the volume of a rectangular solid object is calculated by multiplying its length times its width times its thickness. BRUCE
Transcribed Image Text:Example Exercise 2 Density of a Rubber Stopper A rubber stopper weighing 8.453 g displaces 6.5 mL of water in a graduated cylinder (Figure 2). What is the density of the rubber stopper? Solution: Dividing the mass of the rubber stopper by its volume, we have 8.453 g 1.3 g/mL 6.5 mL In this example, the volume has only two digits. Thus, the density is limited to two significant digits. We will also determine the density of a solid. The volume of any solid object with regular dimensions can be found by calculation. For example, the volume of a rectangular solid object is calculated by multiplying its length times its width times its thickness. BRUCE
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