称取0.4g邻苯二甲酸氢钾溶于50mL水中,此溶液pH为___________。(Ka1=1.3×10-3;Ka2=2.9×10-6)
称取0.4g邻苯二甲酸氢钾溶于50mL水中,此溶液pH为___________。(Ka1=1.3×10-3;Ka2=2.9×10-6)
发布时间:2025-05-27 23:53:25
称取0.4g邻苯二甲酸氢钾溶于50mL水中,此溶液pH为___________。(Ka1=1.3×10-3;Ka2=2.9×10-6)