STIONS1. Turquoise, CuAls(PO44(OH)g 4 H20, is what percent copper by weight?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 3

STIONS
1. Turquoise, CuAls(PO44(OH)g 4 H20, is what percent copper by weight?
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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STIONS 1. Turquoise, CuAls(PO44(OH)g 4 H20, is what percent copper by weight? 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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