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530

Q: How many grams of copper make up a sheet of copper that is 30.0 cm x 20.0 cm x 0.10 cm?

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530

One modern cent weighs 2.5 grams and contains 2.5% copper, which is 0.0625 grams or about 0.000138 lbs of copper per penny. To get one full pound of copper, it would take 7,246 pennies.

10 grams of copper can kill you. But copper sulphate won't kill you. So don't freak out!

Silver dimes were 90% silver with 10% copper and weigh 2.5 grams, which is 2.25 grams of silver.

100.000 grams

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530

530

To find the mass of the copper sheet, calculate the volume first: 30.0 cm * 20.0 cm * 0.10 cm = 60.0 cm^3. Then, multiply the volume by the density to get the mass: 60.0 cm^3 * 8.9 g/cm^3 = 534 grams of copper.

There are approximately 28.35 grams in 1 ounce of copper.

In 1 pound of pre-1982 copper pennies, there are approx 448 grams of weight. Knowing that a copper pre-82 penny weighs 3.11 grams, simply divide the approx 448 grams in 1 pound by the individual penny weight of 3.11grams. The answer to"how many copper pennies does it take to make a pound" is this.It would take 144.05144 copper pennies to weight 1 pound........give or take a couple.One copper cent weighs 3.11 grams, and one pound is 453.59 grams. Do the math, and it comes out to 146 copper cents per pound.

One modern cent weighs 2.5 grams and contains 2.5% copper, which is 0.0625 grams or about 0.000138 lbs of copper per penny. To get one full pound of copper, it would take 7,246 pennies.

10 grams of copper can kill you. But copper sulphate won't kill you. So don't freak out!

To calculate the amount of silver produced, first find the molar ratio between copper and silver in the balanced chemical equation. For example, if the reaction is 2Cu + AgNO3 -> Cu(NO3)2 + 2Ag, the ratio is 2 moles of silver for every 2 moles of copper. Then, calculate the molar mass of silver (Ag) and use the molar ratio to determine the amount of silver produced from 127.1 grams of copper.

The answer is 47,128 x 1023 atoms.

2.83 moles

There is no copper in gold unless it has been intentionally added in an alloy. If you are referring to an alloy such as rose gold, the amount of copper would depend on the specific composition of the alloy.

80 silver quarters in 500 grams. 88 copper-nickel quarters in 500 grams.