Question: Please help answer both questions. Needed to arrive on given answers. Will upvote if correct, will leave dislike if incomplete/incorrect. Don't answer if not sure.

Please help answer both questions. Needed to arrive on given answers. Will upvote if correct, will leave dislike if incomplete/incorrect. Don't answer if not sure. Thank you
Please help answer both questions. Needed to arrive on given answers. Will
upvote if correct, will leave dislike if incomplete/incorrect. Don't answer if not

9. At 25C the free energy of formation of H,Omis - 56 700 cal/mol, while that of its ionization to hydrogen and hydroxyl ions is 19 050 cal/mol. What will be the reversible emf at 25C of the cell? (Ans. 0.433 Volts) 10. The potential of the cell Zing | ZnCl2 (m=0.01021), AgCl) | Ag was found to be 1.1566 volts. What is the mean ionic activity coefficient of ZnCl2 in this solution? (Ans. 5.7 x 105)

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