Table 5: Mass and Volume Measurements for Unknown Metal Initial volume of water in graduated cylinder (mL) Volume of water and Unknown Metal (mL) Mass of graduated cylinder with water (g) Mass of graduated cylinder with water and Unknown (g) Total Mass of Unknown Metal Volume of water displaced by metal Density of Unknown Metal (g/mL) 20mL Trial 1 24 mL 95mL 125.00 g 30g 2mL Trial 2 20mL 26 mL 95mL 140.00 g 45g 6mL Trial 3 20mL 28mL 95mL 155.00 g 60g 8mL Average Density Calculation: Identity of Unknown Metal Use density values provide in https://periodictable.com/Properties/A/Density.an.html

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
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Table 5: Mass and Volume Measurements for Unknown Metal
Initial volume of water in graduated cylinder
(mL)
Volume of water and Unknown Metal (mL)
Mass of graduated cylinder with water (g)
Mass of graduated cylinder with water and
Unknown (g)
Total Mass of Unknown Metal
Volume of water displaced by metal
Density of Unknown Metal (g/mL)
20mL
Trial 1
24 mL
95mL
125.00 g
30g
2mL
Trial 2
20mL
26 mL
95mL
140.00 g
45g
6mL
Trial 3
20mL
28mL
95mL
155.00 g
60g
8mL
Average Density Calculation:
Identity of Unknown Metal
Use density values provide in https://periodictable.com/Properties/A/Density.an.html
Transcribed Image Text:Table 5: Mass and Volume Measurements for Unknown Metal Initial volume of water in graduated cylinder (mL) Volume of water and Unknown Metal (mL) Mass of graduated cylinder with water (g) Mass of graduated cylinder with water and Unknown (g) Total Mass of Unknown Metal Volume of water displaced by metal Density of Unknown Metal (g/mL) 20mL Trial 1 24 mL 95mL 125.00 g 30g 2mL Trial 2 20mL 26 mL 95mL 140.00 g 45g 6mL Trial 3 20mL 28mL 95mL 155.00 g 60g 8mL Average Density Calculation: Identity of Unknown Metal Use density values provide in https://periodictable.com/Properties/A/Density.an.html
Expert Solution
Step 1

First we need to calculate density of metal from each 3 trials using the formula 

Density = Mass / Volume 

Then we can calculate the average density of metal using all three densities. 

To identify the unknown metal, we would compare the average density calculated with the theoretical density of metals . 

 

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