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Calculate the standard cell emf for galvanic cells with the cell reaction

2H2(g) + O2(g)→2H2O(ℓ)in acidic solution.
Answer in units of V

3 answers

Look up these potentials.
O2 + 4H^+ + 4e ==> 2H2O
2H2 ==> 4H^+ + 4e
----------------------
Add Eo1(as written) + Eo2(as written)
aer
1.23 V
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