[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fvYe7GmWPqtlCRbuYU48rCgX409XMWEu8YL-wxPbj8ZY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-01-02 18:32:24",299830082,[8,9,10,11],"8.2","6.2","5.2","3.2",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","在pH=5.0的醋酸缓冲溶液中,用0.002000mol\u002FL的EDTA滴定同浓度的Pb2+,已知:lgKPbY=18.0,lgαY(H)= 6.6,lgαPb(Ac)=2.0.化学计量点时溶液中pPb'应为",[18,29,38,41,51],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],299830078,[22,23,24,25],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff7391717ce4965cc9a6f3629800bca94.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F151f117f3c06195f27c93234245e9e32.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8bc1a8462e46730777630d38bf8724a6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdc827073782f4d014d9bb73f1c32d25f.png\">","下列表达式中正确的是","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],299830080,[33,34,35,36],"8.9","11.8","14.3","11.3","在pH=10.0的氨性溶液中,反应Zn2+ +Y4- = ZnY2- 的 lgK′ZnY 为 ( )[已知:lgαY(H) =0.5,lgKZnY =16.5,αZn(NH3)=104.7,αZn(OH)=102.4]",{"answer":39,"createTime":5,"id":6,"options":40,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":50},[],299830084,[45,46,47,48],"金属离子浓度CM","MY的稳定常数","辅助络合剂与金属离子M的络合作用","金属指示剂与金属离子M形成显色络合物的稳定常数KMIn","影响络合滴定中pM′突跃大小的主要因素有",1,{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":27,"type":50},[],299830086,[55,56,57,58],"EBT为红色","EBT为蓝色","Mg-EBT为蓝色","Mg-EBT为红色","在pH9-11范围内铬黑T(EBT)指示剂的颜色和Mg-EBT的颜色是"]