Answer to Question #20520 in Physical Chemistry for Mokuton

Question #20520
The acid used in a standard hydrogen electrode to provide a 1 mol dm–3 solution of hydrogen ions is A ethanoic acid. B phosphoric(V) acid. C sulfuric acid. D hydrochloric acid. a It's either C or D but I don't exactly know which one. Which is the correct answer and WHY?
1
Expert's answer
2013-01-08T11:55:40-0500
If we are talking about 1 M H+ solution, the C and the D both are correct. If we are talking about 1 M acid solution, only HCl is applicable(D), because it is right only for 0.5 M solution of H2SO4.

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