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Zell
Questions (2)
A 4m long copper wire has a diameter of 2mm and carries a current of 10A.
Determine the ff: a. current density in the wire b.
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Suppose that 30.0 mL of 0.20 M C6H5COOH(aq) is titrated with 0.30 M KOH(aq)
(a) What is the initial pH of the 0.20 M
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Answers (2)
Thanks! I see what I did wrong. I used moles instead of molarity for part a... although I am still uncertain why I should use benzoic acid as the acid in part b? I thought the reaction was C6H5COOH + KOH ==> C6H5COO- + K + H2O ... and that I should use the
Yeah, it's H, as in the H atom attached to oxygen.
