[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7_0o2DEc9sGAMJ00igpasQAJ0zqAiWcQKxnhm6_W-3k":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2023-12-04 11:28:01",110843889,[8,9,10,11],"4.3×10-7 mol∙L-1","7.6×10-5 mol∙L-1","2.8×10-2 mol∙L-1","5.6×10-11 mol∙L-1",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},89,"05295f8cc51db1da8c0b6e754affc6d4","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","无机化学（21、22、23级化学班（本））","work_31396609","水、电解质和酸碱平衡紊乱病人的护理","将1.0 L 0.10 mol∙L-1 H2CO3 溶液用等体积水稀释后,溶液中 CO\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4c4508854de4a03f6beb53dcbf78ba3a.png\">离子的浓度为 (H2CO3 :Ka1= 4.3×10-7 ,Ka2=5.6×10-11) *** ( )",[21,33,42,51,60,69,78,87,90,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2023-12-04 11:28:00",110843878,[26,27,28,29],"HO2-","H2O2","H3O+","OH-","H2O的共轭酸是* ( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],110843879,[37,38,39,40],"[HS-] < [CO32-]","[CO32-] < [S2-]","[CO32-] > [S2-]","[HCO3-] < [S2-]","已知: H2CO3 Ka1= 4.2×10-7 ,Ka2=5.6×10-11 , H2S Ka1= 1.3×10-7 ,Ka2=7.7×10-15 , 将相同浓度 H2S 和 H2CO3 等体积混合后,下列浓度大小排列正确的是*** ( )",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],110843880,[46,47,48,49],"[Cr (OH)4]-","[Cr (H2O)3(OH)3]","[Cr (H2O)6]3+","[Cr (H2O)5(OH)]2+","根据质子理论,[Cr (H2O)4(OH)2]+的共轭酸是** ( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],110843882,[55,56,57,58],"水溶液中的离解反应、水解反应、中和反应都属于质子的转移反应","酸碱反应的方向是强酸与强碱反应生成弱酸和弱碱","化合物中没有盐的概念","酸愈强 ,其共轭碱也愈强","根据酸碱质子理论 ,下列叙述中不正确的是** ( )",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":31,"type":32},[],110843883,[64,65,66,67],"3","1","2","4","氢硫酸的电离常数 K1=1×10-7 ,K2=1×10-13 ,在0.1 mol · L-1 H2S 水溶液中溶液的 pH 值是** ( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":31,"type":32},[],110843884,[73,74,75,76],"m (H+)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F154cbb52818e2a519e4ece9c41171b4a.png\">m (H+)","K aΘ2 (H2S)","0.1","在 0.1 mol · kg-1 的 H2S 饱和溶液中 ,S2- 的浓度(mol · kg-1 )为* ( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":31,"type":32},[],110843887,[82,83,84,85],"CN->OH->Ac-","OH-> CN->Ac-","CN->Ac-> OH-","OH->Ac->CN-","H2O、HAc、HCN的共轭碱的碱性强弱顺序是* ( )",{"answer":88,"createTime":5,"id":6,"options":89,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":31,"type":32},[],110843891,[94,95,96,97],"HCl 和过量的氨水","氨水和过量的 HCl","NH3 和 NH4Cl","NaH2PO4 和 Na2HPO4","下列溶液中不能组成缓冲溶液的是** ( )",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":31,"type":32},[],110843893,[103,104,105,106],"HNO3","H2NO3+","H2SO4","HSO4-","有可逆反应 HNO3+H2SO4 = H2NO3++HSO4-,根据酸碱质子理论,逆反应的碱是* ( )"]