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Nahida S.

asked • 13d

need help to solve

For the cell shown, the measured cell potential, 𝐸 cell is 0.3629 V at 25 °c


Pt(s) | H2(g,0.707 atm) | H+(aq,? M) || Cd2+(aq,1.00 M) | Cd(s)


The balanced reduction half-reactions for the cell, and their respective standard reduction potential values, , are


2H+(aq)+2e−⟶H2(g)𝐸o=0.00 V


Cd2+(aq)+2e−⟶Cd(s)𝐸o=−0.403 V


Calculate the H+ concentration.

1 Expert Answer

By:

Nahida S.

yes Ecell is negative
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13d

J.R. S.

tutor
That's what I thought. Re-do the calculations using the negative value where I have the positive value.
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7d

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