karagooch7550 karagooch7550
  • 28-04-2018
  • Physics
contestada

The electrolysis of molten alcl3 for 3.25 hr with an electrical current of 12.0 a produces ________ g of aluminum metal.

Respuesta :

IsrarAwan
IsrarAwan IsrarAwan
  • 09-05-2018
The correct answer is: 13.09g

Explanation:

Formula to find the mass of the deposited metal = W = [tex] \frac{ECt}{96500} [/tex]

Where
E = Equivalent mass of Aluminum = Atomic-mass/valency = 27/3 = 9
C = Current = 12.0 A
t = time taken = 3.25hr = 3.25*60*60 = 11700s

Plug in the values in the formula:
W = [tex]\frac{9*12*11700}{96500} = 13.09g[/tex]
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