Calculate the value of Eocell for the following reaction:
2 Co3+(aq) + 3 Ca(s) → 2 Co(s) + 3 Ca2+(aq)
Co3+(aq) + 3e– → Co(s) Eo = 1.54 V
Ca2+(aq) + 2e– → Ca(s) Eo = –2.87 V.
A) –4.41 V B) –1.33 V C) –11.6 V D) +1.33 V E) +4.41 V
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