Chemistry > 2005 > 32
WASSCE
Determine the mass of copper deposited by 4.0 moles of electrons in the reaction represented by the equation below.
Cu2+(aq) + 2e- → Cu(s)
Cu2+(aq) + 2e- → Cu(s)
A.
32
B.
64
C.
128
D.
256
Answer: C
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