Lab $10$: Determination of the Concentration of Acetic Acid in Vinegar

Lab $10$: Determination of the Concentration of Acetic Acid in Vinegar

Determination of the Concentration of Acetic Acid in Vinegar

Determination of the Concentration of Acetic Acid in Vinegar

$2.$ A $10\mathrm{.}00mL$ aliquot of vinegar is titrated with the same NaOH solution standardized in Question $1.$ The titration curve below is for the titration of vinegar with the standardized NaOH solution. See Eq$.6$ for the balan ${?}^{-1}$ annation for the reaction.

a$.$ Determine the number of moles of NaOH required to neutralize the acetic acid in the vinegar sample.

$14\mathrm{.}7$

$0\mathrm{.}0147L$ Mof $O^H=0\mathrm{.}575m$

$=0\mathrm{.}5750\mathrm{.}0147=0\mathrm{.}00845$mole

b$.$ Determine the number of moles of $C{H}_3\frac{C}{O}OH$ in the vinegar sample.

$\frac{0\mathrm{.}00845}{14}-7n>1060=$

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$134$

$134$

c$.$ What is the molarity of $C{H}_3\frac{C}{O}OH$ in the vinegar sample?

d$.$ Determine the mass of acetic acid in the vinegar sample.

e$.$ Determine the mass of the $10\mathrm{.}00mL$ aliquot of vinegar. The density of vinegar is $1\mathrm{.}00\frac{g}{m}L.$