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March 27, 2017

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cell diagram:H2(g,1atm) Pt
Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits.
Enter scientific notation as 1.23E4.



(a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94?



____________



(b) What is Ecell if the unknown solution in the half-cell on the left is 0.03890 M HCl?



____________



(c) What is Ecell if the unknown solution in the half-cell on the left is 0.194 M HA, where HA represents a weak acid with Ka = 1.8x10−5?

  • CHEMISTRY - ,

    I see part of a cell diagram but not a complete cell diagram. I suspect on the half cell I see it is missing H^+.

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