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This assignment is due on 09/11, at 11:30 PM.In this section, you will need to submit a word document answering all the post lab summary questions Part A (page 16) and Part B (page 17) provided in the lab manual. You can use the data provided below to answer the questions.

Table 1 for part A: Determination of water density using different glassware

Glassware

Trial

Volume of water (mL)

Mass of water (g)

Density (g/mL)

Mean density (g/mL)

Standard deviation (g/mL)

Graduated cylinder

1

10.1

9.8

2

10.2

9.7

3

10.4

9.9

Beaker

1

10.5

14.2

2

10.0

13.2

3

10.7

12.5

Erlenmeyer flask

1

10.5

11.0

2

10.2

9.7

3

10.0

9.5

Volumetric flask

1

10.2

10.3

2

10.3

10.2

3

10.4

10.3

Table 2 for Part B: Determination of the nature of an unknown metal. Pick one data set to work on. The identity of the unknown could be copper, lead, brass, aluminum, gold, chromium or iron.

Visit the link provided to look up the density of different metals: https://sites.google.com/site/chempendix/densities-of-pure-metals (Links to an external site.)

Unknown metal block A

Trial

Mass of metal

Initial water volume (mL)

Final water volume (mL)

Water volume (mL)

Mean density

(g/mL)

Standard deviation (g/mL)

1

15.5

15.00

16.68

2

15.8

15.00

16.88

3

16.0

15.00

16.77

Unknown metal block B

Trial

Mass of metal

Initial water volume (mL)

Final water volume (mL)

Water volume (mL)

Mean density

(g/mL)

Standard deviation (g/mL)

1

8.0

15.00

17.9

2

8.0

15.00

18.1

3

7.9

15.00

17.7