Homework Help: Titrations (chem)

Posted by Sarah on Sunday, April 3, 2011 at 4:07pm.

In the titration of a 0.101 M sodium hydroxide solution, 19.02 mL of 0.130 M sulfuric acid solution was required to neutralize the sodium hydroxide in reactions that replace both hydrogen ions of the sulfuric acid. Calculate the number of milliliters of sodium hydroxide solution needed in the reaction.

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Titrations (chem) - DrBob222, Sunday, April 3, 2011 at 4:34pm
Write the equation and balance it.
2NaOH + H2SO4 ==> Na2SO4 + 2H2O

moles H2SO4 = M x L = ??
moles NaOH = 1/2 that (from the coefficients in the balanced equation).
MNaOH = moles NaOH/LNaOH.
Solve for L NaOH and convert to mL.

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