223. Referring to the graph, by cooling $900\,\mathrm{g}$ of a saturated potassium chlorate solution from $94^\circ\mathrm{C}$ to $32^\circ\mathrm{C}$ and filtering off the solid, approximately how many grams of solute would remain in the solution? [Figure: Solubility curves of various salts (KNO$_3$, KCl, NaCl, KClO$_3$) showing dissolved amount (g per 100 g water) vs. temperature ($^\circ$C)] (1) 500 (2) 550 (3) 600 (4) 660 %% Page 41 Chemistry120-CPage 23
\textbf{223.} Referring to the graph, by cooling $900\,\mathrm{g}$ of a saturated potassium chlorate solution from $94^\circ\mathrm{C}$ to $32^\circ\mathrm{C}$ and filtering off the solid, approximately how many grams of solute would remain in the solution?
\textit{[Figure: Solubility curves of various salts (KNO$_3$, KCl, NaCl, KClO$_3$) showing dissolved amount (g per 100 g water) vs. temperature ($^\circ$C)]}
\begin{center}
(1) 500 \\
(2) 550 \\
(3) 600 \\
(4) 660
\end{center}
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