2. The density of copper is 8.97 g/cm3. What is the volume, in mL, of a 1.00 kilogrammass of pure copper?3. Why is copper plumbing used in our homes but not aluminum plumbing?4. The average human needs 2.0 mg of copper ions, Cu2, per day in their diet. This ishow many copper ions?5. Copper is extracted from the ore, chalcopyrite, CuFeS2. How many kilograms of a0.862% chalcopyrite ore will be necessary to produce 1.00 kg of pure copper? Thepercentage of copper in chalcopyrite needs to be known to work this problem.111

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Asked Oct 6, 2019
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Question 2

2. The density of copper is 8.97 g/cm3. What is the volume, in mL, of a 1.00 kilogram
mass of pure copper?
3. Why is copper plumbing used in our homes but not aluminum plumbing?
4. The average human needs 2.0 mg of copper ions, Cu2, per day in their diet. This is
how many copper ions?
5. Copper is extracted from the ore, chalcopyrite, CuFeS2. How many kilograms of a
0.862% chalcopyrite ore will be necessary to produce 1.00 kg of pure copper? The
percentage of copper in chalcopyrite needs to be known to work this problem.
111
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2. The density of copper is 8.97 g/cm3. What is the volume, in mL, of a 1.00 kilogram mass of pure copper? 3. Why is copper plumbing used in our homes but not aluminum plumbing? 4. The average human needs 2.0 mg of copper ions, Cu2, per day in their diet. This is how many copper ions? 5. Copper is extracted from the ore, chalcopyrite, CuFeS2. How many kilograms of a 0.862% chalcopyrite ore will be necessary to produce 1.00 kg of pure copper? The percentage of copper in chalcopyrite needs to be known to work this problem. 111

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Expert Answer

Step 1

Given information:

Density of copper = 8.97 g/cm3

Mass of pure copper = 1.00 kg

Step 2

As the mass is given in kg but density is in g so, mass will be converted into g as follows:

1 kg = 1000 g

Step 3

Density is defined as mass per unit volume.

Thus, the vo...

Mass of copper
Density of copper =
Volume
1000 g
8.97 g/cmVolume of copper
1000 g
Volume
8.97 g/cm3
=111.4827 cm2lmL
X
1 cm3
=111.483 mL
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Mass of copper Density of copper = Volume 1000 g 8.97 g/cmVolume of copper 1000 g Volume 8.97 g/cm3 =111.4827 cm2lmL X 1 cm3 =111.483 mL

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