Need help with a general chemistry problem!!?

Posted on 2016-02-22 19:10:00 in Chemistry by FARAH R

There is this one problem that I tried, but am not sure if I got the correct answer. Here is the problem: 

Given the information below, determine the cost of making a 16.0g aluminum can from scratch. 

Domestic electricity cost about 8.75 cents/kwh 
One mole of electrons= 96,500 Coulombs 
1 kwh= 3.60*10^6 Coulombs 
Al^O = Al^3+ + 3 electrons 

In brief, I first used 16.0g and divided by the mass of aluminum, then multiplied by 3 electrons, multiplied by the 96,500 coulumbs, divided by 3.60 *10^6 coulombs and multiplied by 8.75 cents to get 0.417. 

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