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General Chemistry

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Moderate

Mass of Potassium Metal from Electrolysis of Potassium Fluoride

CHEM-DR3Y86

The electrolysis of molten potassium fluoride results in the formation of potassium metal and fluorine gas.

What mass of potassium metal is produced when the molten potassium fluoride is electrolyzed for $1.00 \textrm{ hour}$ with a current of $12.0 \textrm{ A}$?

A

$4.86\times10^-3 \textrm{ g}$

B

$0.448 \textrm{ g}$

C

$17.5 \textrm{ g}$

D

$26.0 \textrm{ g}$

E

$39.1 \textrm{ g}$