Question

25.00mL of an unknown sulfuric acid solution is titrated to the second equivalence point with 21.02mL of 0.420M potassium hydroxide solution. What is the concentration of the sulfuric acid solution?
H2SO4 + 2KOH ==> K2SO4 + 2H2O
mols KOH = M x L = ?
mols H2SO4 = 1/2 mol KOH (see the coefficients)
M H2SO4 = mols H2SO4/L H2SO4

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