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pls show your work Consider again the battery in Pt(s)H2g)(1atm),HCl(m),AgCl(s)Ag(s),t=25.0C. The e.m.f. of this battery has been measured at several molalities: this time at 298K

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Consider again the battery in Pt(s)H2g)(1atm),HCl(m),AgCl(s)Ag(s),t=25.0C. The e.m.f. of this battery has been measured at several molalities: this time at 298K and with an activity for the solute aHCl=at=0.24. Using the tabulated standard potentials for the half-cells, determine the pressure of H2 needed to produce an electromotive force of 0.30V. (Consider the gas as ideal.)

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