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P-14
4.
Based on the electric current used in your reaction and the moles of hydrogen gas produced, calculate
the value of the Faraday. (Show calculations for each run.).
Answers: Run 1 _______________ Run 2 ______________ Run 3_______________
5.
From your measurements, determine the atomic mass of copper. (Show calculations for
each run.)
Answers: Run 1 _______________ Run 2 ______________ Run 3_______________
6.
What is the percent error for your average value:
(a) of the Faraday; the accepted value is 96,485 C mol
-1
.
(b) of the atomic mass of copper. (The accepted value is 63.55 g mol
-1
.)
