What Volume of KOH is Needed to Titrate H2SO4 Solution?

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SUMMARY

The volume of KOH required to titrate 20.00 ml of a 0.958 mol dm-3 solution of H2SO4 is 13.0 ml, as confirmed by the equivalence point calculations based on the 1:2 stoichiometric ratio of the acid to the base. Despite some confusion regarding the final answer and the potential for misinterpretation of the problem statement, the consensus is that option (c) is correct. It is crucial to ensure clarity in problem statements, especially when dealing with polyprotic acids, to avoid miscalculations.

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Can't seem to match final answer!

If 20.00 ml of a 0.958 mol dm-3 solution of H2SO4 is titrated with a 0.735 mol dm-3 solution of KOH, what volume is required to reach the equivalence point?
(a) 7.0 ml
(b) 10.9 ml
(c) 13.0 ml
(d) 17.5 ml
(e) 26.1 ml.
The answer is said to be C. but when i do it, with the correct ratios of 1:2, i keep getting a final of 52ml.
 
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No, I believe C is right.
 
A problem statement that does not specify which "equivalence point" for polyprotic acids does not inspire confidence in text, instructor, or teaching assistants. That said, you're going to have to take it to a "live face" rather than the computer. You'll want to double check the problem statement for "dyslexing" of acid, base, volumes, and concentrations. Grad students are lazy, have always been, and always will be regarding the "freshening" of problem sets to defeat frat files --- this looks to be the case here.

You are correct for what you've posted as a problem statement and a "complete" neutralization.
 

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