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A \( 10 \%(\mathrm{w} / \mathrm{w}) \) solution of an optical active compound \( \mathrm{A}\left(\mathrm{M}=100 \mathrm{gm} / \mathrm{mol}^{-1}\right) \) has undergone partial inversion accordingto the reaction:
\( P \)
\( \mathrm{A}(\mathrm{aq}) \longrightarrow \mathrm{B}(\mathrm{aq})+\mathrm{C}(\mathrm{aq}) \). If the boiling point of solution is \( 100.8533^{\circ} \mathrm{C} \).
(a) What is the average mass of the dissolved materials?
W.
(b) What fraction of the Ahas inverted?
\[
\mathrm{K}_{\mathrm{b}}\left(\mathrm{H}_{2} \mathrm{O}\right)=0.512 \mathrm{~K} \mathrm{~mol}^{-1} \mathrm{~kg} ;(\text { Molar mass of } \mathrm{B}=60 \text { ) }
\]
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