Part A

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$18\mathrm{.}4($Pages $803-817)$; Watch KCV $18\mathrm{.}4$B$,$

IWE $18\mathrm{.}7.$

$0\mathrm{.}466-$g sample of an unknown monoprotic acid was titrated with $0\mathrm{.}106$MKOH and the resulting titration curve is shown here.

Determine the molar mass of the acid.

Express your answer in grams per mole to two significant figures.

$\frac{g}{m}ol$

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Part B

Determine the $p{K}_a$ of the acid.

Express your answer to two significant figures.

$p{K}_a=$