Calculations

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Lesson 12 Calculations with Density
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Density mass volume The unit for density is
either g/mL or g/cm3. 1 mL 1 cm3
3

• Given that a 2.44 cm3 sample of an element has a
  mass of 47.14 g. Determine the density and the
  element.
• Density mass
• volume
• D 47.14 g
• 2.44 cm3
• D 19.3 g/cm3
• What do you yell to get someones attention?
• Au

4

• Determine the volume of a 60.50 g sample of a
  liquid with a density of 1.56 g/mL.

60.50 g
x 1 mL
38.8 mL 3 sig. figs
1.56 g
5
3. Determine the mass of a 85.0 cm3 sample of
lead. Do some research to find density of
lead. Density 11.34 g/cm3
Chemistry Periodic Table and More
85.0 cm3
x 11.34 g
964 g 3 sig. figs.
1 cm3
6

• 4. Determine the volume in mm3 of a 15. g sample
  of lead.
• Density 11.34 g/cm3

15. g
x 1 cm3
x 1000 mm3
1.3 x 103 mm3
1 cm
11.34 g
3
7

• 5. Determine the mass of a 208 mm3 sample of
  lead.
• Density 11.34 g/cm3

2.36 g
x 11.34 g
x 1 cm3
208 mm3
1 cm3
1000 mm3
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6. What volume of sample of lead (11.34 g/mL)
has the same mass as 45.00 mL of Ag (19.32 g/mL).
76.67 mL
x 1 mL
x 19.32 g
45.00 mL
11.34 g
1 mL
9
6. Determine the volume in mm3 of a 1.0 x 10-8
ton sample of silver. Chemistry Periodic Table
and More
Density 10.5 g/cm3
x 1 cm3
x 1000 g
0.86 mm3
x 1 x 103 mm3
x 1 kg
x 2000 lbs
1.0 x 10-8 ton
1 cm3
10.5 g
1 kg
2.21 lbs
1 ton
Density of Coke