\(\rm{KCl}\)和\(\rm{KNO_{3}}\)的溶解度表及溶解度曲线如图所示,下列说法不正确的是 \(\rm{(}\) \(\rm{)}\)
温度\(\rm{/℃}\) | \(\rm{20}\) | \(\rm{30}\) | \(\rm{40}\) | \(\rm{50}\) |
溶解度\(\rm{S/g}\) | \(\rm{KCl}\) | \(\rm{34.0}\) | \(\rm{37.0}\) | \(\rm{40.0}\) | \(\rm{42.6}\) |
\(\rm{KNO_{3}}\) | \(\rm{31.6}\) | \(\rm{45.8}\) | \(\rm{63.9}\) | \(\rm{85.5}\) |