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Safari File Edit View History Bookmarks Window Help 60 41% Thu 5:31 PM Q E University of Guelph CHEM 1050 Winter16 ALL SECTIONS: Homework Nine Reader O C cms/mod/ibis/view.php?id 187652 www.saplinglearning.ca. EEEE Introductio...oogle Books Chem Lab 7 I' i Na Home Aerobic Capacity Blog Arch Athlete andrewthea...rochure.pdf Blog Invic...ning Fitness Calculating i...grals online Integral (A...- Math Help Nutritional and Nutraceutical Science... Disney Piano Collection Vol.6 4 HOUR. University of Guelph CHEM 1050 Chemistry question I Chegg.com (1) CHEM 1050 Map sapling learning Given the measured cell potential, Ecer, is -0.3573 V at 25 eC in the following cell, calculate the H* concentration Pt (s)lH20g, 0.779 atm) H (aq, M)llcd2+ (aq, 1.00 M)lcd (s) The balanced reduction half reactions for the cell, and their respective standard reduction potential values, Eo, are as follows. 2H (aq) 2e Hz(g) E 0.00 V cd'r (aq)+2e 0.403 V Number MExplanation / Answer
Cd^2+(aq) + H2(g) ---> Cd(s) + 2H^+(aq)
E0cell = Ec0 - E0a
= -0.403-0 = -0.43
Ecell = E0cell-0.0591/nlog[H+]^2/(pH2)[Cd2+]
-0.3573 = (-0.403)-0.0591/2log(x^2/(0.779*1))
x = 0.148 M
[H+] = 0.148 M
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