(vii) Calculate the quantity of electricity required to deposit 0.2 mol of sodium metal during
electrolysis of fused sodium chloride.
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Explanation:
The quantity of electricity required to deposit 1.15 g of sodium from molten NaCl (Na = 23, Cl = 35.5) is :
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Mass of Na is divided with its atomic mass to obtain number of moles.Number of moles of Na = 1.1523 = 0.05 moles. Na^ + + e^ - → Na Thus,
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