Asked by tricia
                A sample of aluminum metal containing 9.1080 x 10 to the 25 power atoms is drawn into a cylindrical wire with radius r=0.833 mm. how long must the wire be in meters?
            
            
        Answers
                    Answered by
            DrBob222
            
    mols Al = 9.1080E25 atoms/6.0221E23 = ?
mols Al x atomic mass = grams Al
Look up the density Al. volume = grams/density.
Then volume = pi*(r^2)*h
You know pi, r, and volume. Solve for h = length of the wire.Note that I would change r to meters so the answer will be in meters.
    
mols Al x atomic mass = grams Al
Look up the density Al. volume = grams/density.
Then volume = pi*(r^2)*h
You know pi, r, and volume. Solve for h = length of the wire.Note that I would change r to meters so the answer will be in meters.
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