某研究性学习小组通过测量溶液的电导率\(\rm{(}\)电导率越大,说明溶液的导电能力越强\(\rm{)}\)探究沉淀溶解平衡,各物质的电导率数据如下:
| \(\rm{①}\) | \(\rm{②}\) | \(\rm{③}\) | \(\rm{④}\) | \(\rm{⑤}\) | \(\rm{⑥}\) | \(\rm{⑦}\) |
物质 | \(\rm{CaCO_{3}(}\)固体\(\rm{)}\) | \(\rm{H_{2}O}\) | \(\rm{CaCO_{3}}\)饱和溶液 | \(\rm{CaSO_{4}}\)饱和溶液 | \(\rm{NaCl0.001mol/L}\) | \(\rm{AgNO_{3}0.001mol/L}\) | \(\rm{AgCl}\)饱和溶液 |
电导率 | \(\rm{0}\) | \(\rm{7}\) | \(\rm{37}\) | \(\rm{389}\) | \(\rm{1989}\) | \(\rm{1138}\) | \(\rm{13}\) |
下列分析不正确的是\(\rm{(}\) \(\rm{)}\)