A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 6.66 mL sample taken from car battery. About 50 mL of water is added to the sample, and then it is titrated with 31.52 mL of a standard 0.4643 molar NaOH solution. What is the molar concentration of sulfuric acid in the original sample?

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A: Reaction between KHP and NaOH      NaOH + HOOC-C6H4-COOK -------------> NaOOC-C6H4-COOK + H2O One…

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A: At equivalent point,  Geq. of NaOH  = Geq. of KHP N1V1 = N2V2 M × 16.8 /1000 = 0.261/204 M = 0.076M

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