Asked by Lily
How much copper would be plated by a current of 1.5 A in a time of 1.0 h?
Answers
Answered by
R_scott
an ampere is a Coulomb per second
there are 6.242E18 electrons in a Coulomb
moles of electrons = (6.242E18 * 1.5 * 60 * 60) / 6.02E23
it takes two electrons to plate a Cu atom
find the moles of electrons
... divide by two to find the moles of Cu
multiply by the molar mass of Cu to find the grams
there are 6.242E18 electrons in a Coulomb
moles of electrons = (6.242E18 * 1.5 * 60 * 60) / 6.02E23
it takes two electrons to plate a Cu atom
find the moles of electrons
... divide by two to find the moles of Cu
multiply by the molar mass of Cu to find the grams
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