Wednesday

January 28, 2015

January 28, 2015

Posted by **Heather** on Thursday, September 11, 2008 at 3:23pm.

- chem 111 -
**DrBob222**, Thursday, September 11, 2008 at 3:27pmBob Pursley answered this for you earlier. If you have a specific problem, show your work to where you get stuck, explain what you don't understand for the next step and perhaps someone can help you through it.

- chem 111 -
**Heather**, Thursday, September 11, 2008 at 3:31pmwell i did the problem to my understanding and I ended up getting this: fraction for for Fe: .004 and for Cu: .006?? and he said it should equal 1?? where did I go wrong it equals .01??

- chem 111 -
**Heather**, Thursday, September 11, 2008 at 3:41pmI was wondering if you could tell me if the answer is Fe: 40% and Cu: 60%???

- chem 111 -

- chem 111 -
- chem 111 -
**bobpursley**, Thursday, September 11, 2008 at 3:45pmIn my explaination, I used fraction or decimal percents, not percents. a fraction percent of .4 is 40 percent.

**Answer this Question**

**Related Questions**

Chemistry - Average density of a copper-coated iron BB is 8.00g/mL. If the ...

chemisty - Consider the following unbalanced equation between copper(I) ions and...

materials science - Consider a copper lattice with an excessive average of one ...

physics - An iron wire has a cross-sectional area equal to 1.20 10-5 m2. Carry ...

Chem - What is the volume V of a sample of 3.40mol of copper? The atomic mass of...

Chemistry - How much copper could be produced if 5.00g of iron was used with 16....

Algebra - The density of iron is 7.87 g/cm3, and the average mass for one iron ...

Chemistry - the current U.S. penny is only 2.5% copper the remaining portion is ...

Math(Please help, thank you) - I am trying to calculate my percent error for an ...

Physics - small cube of copper (density = 8930 kg/m3) is used to support a ...