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How many fara...

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How many faradays/coulombs are required to produce (i)20 g of calcium from molten CaCl2?(ii)40 g of aluminium from molten Al2O3?

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Q. How much electricity in terms of Faraday is required to produce:

20 g

C a

C a C l_{2}

40 g

A l

A l_{2} O_{3}

[Given : Molar mass of calcium & Aluminium are 40 g

m o l^{- 1}

m o l^{- 1}

Q. How much electricity in terms of Faraday is required to produce

40.0 g

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A l_{2} O_{3}

?

Q. How many faradays of electricity will be required to completely electrolyse one mole of molten

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Q. How much electricity in terms of faraday is required to produce 20 grams of calcium from molten calcium chloride?

Q. How many Faradays of electricity are required to deposit 10 g of calcium from molten calcium chloride using inert electrodes? (molar mass of calcium = 40 g

m o l^{- 1})

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