Density Review Name Hr



Yüklə 13,3 Kb.
tarix02.03.2018
ölçüsü13,3 Kb.
#29547

Density Review Name__________________________ Hr____

Show your work. Report your answer to the correct number of sig figs and include units.

  1. If you take 4.37 grams of calcium chloride and find it occupies a volume of 2.2mL, what is the density of the substance?


  1. Copper has a density of 8.96g/mL. When you drop a copper piece in a graduated cylinder already filled with 50.0mL of water, the volume of the water reads 59.2mL. What is the mass of this sample?





  1. Osmium is one of the densest elements (22.7 g/mL). What would be the volume occupied by a 1.00 g sample of osmium?

4. An aluminum cube measures 2.68 cm x 3.90 cm x 1.10 cm. What is the mass of this cube knowing Al has a density of 2.70g/mL?

5. All of the following materials were combined into a single container. From the information given, rank the materials in order from the one that would float on top(#1) to the one that would sink to the bottom(#8).



MATERIAL DENSITY(g/mL) RANK MATERIAL DENSITY(g/mL) RANK

Bromine 3.1 _______ mercury 13.6 _______

Diamond 3.9 _______ carbon tetrachloride 1.6 _______

water 1.0 _______ aluminum 2.7 _______

ethanol 0.9 _______ table salt 2.2 _______

6. Why can a ship made of iron(density=7.87g/mL) float on water (density=1.0g/mL)?

7. An iron cube measures 3.12 cm x 567mm x 22.0 dm. What is the mass of this cube knowing Fe has a density of 7.21g/mL?

8. Determine the density of the Coke and the Diet Coke using the information below. Use this information to explain the observations from lab.

Volume of both cans.....................355 mL

Mass of Coke.................................391.78 g

Mass of Diet Coke.........................346.02 g

1. If you take 4.37 grams of calcium chloride and find it occupies a volume of 2.2mL, what is the density of the substance?



4.37 g = 1.9863 = 2.0 g/mL

2.2 mL


2. Copper has a density of 8.96 g/mL. When you drop a copper piece in a graduated cylinder already filled with 50.0 mL of water, the volume of the water reads 59.2 mL. What is the mass of this sample?

V = 59.2 – 50.0 = 9.2 mL

M = D x V = 8.96 g/mL x 9.2 mL

M = 82.432 g = 82 g

3. Osmium is one of the densest elements (22.7 g/mL). What would be the volume occupied by a 1.00 g sample of osmium?

V = m = 1.00g = 0.0441 mL

D 22.7 g/mL
4. An aluminum cube measures 2.68 cm x 3.90 cm x 1.10 cm. What is the mass of this cube knowing Al has a density of 2.70g/mL?
V = 2.68 x 3.90 x 1.10 = 11.5 cm3
M = D x V = 2.70 g/mL x 11.5 mL = 31.1 g

5. Dcoke = 391 g = 1.10 g/mL


355 mL

Ddiet coke = 366 g = 1.03 g/mL


355 mL
Yüklə 13,3 Kb.

Dostları ilə paylaş:




Verilənlər bazası müəlliflik hüququ ilə müdafiə olunur ©genderi.org 2024
rəhbərliyinə müraciət

    Ana səhifə