An unknown metal, M, and its salt, M(NO3)2, are combined with a half-cell in which the following rea — Electrochemistry Chemistry Question
Question
An unknown metal, M, and its salt, M(NO3)2, are combined with a half-cell in which the following reaction occurs:
Ag+(aq) + e– → Ag(s) [E˚red = 0.80 V]
If E˚cell = 1.36 V, what is E˚ red for M2+(aq) + 2e– → M(s)?
A.
0.56 V
B.
0.24V
C.
–0.24V
D.✓ Correct
–0.56V
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