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  4. How many Faradays are required to generate one gram atom of magnesium from MgCl 2 ?

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Q. How many Faradays are required to generate one gram atom of magnesium from $MgCl _{2}$ ?

Electrochemistry

Solution:

$1$ mole of electrons $=1 \,F$

$Mg ^{2+}+2 e^{-} \longrightarrow Mg$

$2 $ moles of electrons $=2 \,F$