Homework Help: chemistry

Posted by Anonymous on Wednesday, November 30, 2011 at 11:36am.

a pure copper penny contains appoximatel 3.0 x 10 to the 22 copper atoms. use the definitions in the previous problem to determine how many______of copper atoms are in a penny.

chemistry - DrBob222, Wednesday, November 30, 2011 at 12:47pm
I don't understand the question. Perhaps it would help if I knew the nature of the previous problem to which this post refers.

Answer this Question

Related Questions

Chemistry - A modern penny weighs 2.5 g but contains only .063 g of copper. How ...
Chemistry - If a copper sample containing some zinc impurity is to be purified ...
chemistry - Sterling silver, an alloy of silver and copper, contains 7.5 percent...
Physics - A pure copper penny is slid along a steel counter top. If the ...
chemistry - Before 1982 the US Mint cast penny coins from a copper and zinc ...
chemistry - Before 1982 the US Mint cast penny coins from a copper and zinc ...
chemistry - Copper reacts with nitric acid according to the following reaction: ...
Chemistry - Before 1982 U.S pennies were made of solid copper. As the price of ...
chemistry - A pure copper cube has an edge length of 2.00cm. How many copper ...
chemistry - An analysis for copper was performed on two pure solids. One solid ...

For Further Reading

First Name:
School Subject:
Answer: