下列溶液凝固点最低的是 未知类型：{'options': ['[tex=8.357x1.429]rSmB/Y+yav8YJ4Sus5KDnc36UN2d4efwmHgMGNfdvKohfyFAqdLADprkBPBd4VX1[/tex]', '[tex=10.429x1.429]rSmB/Y+yav8YJ4Sus5KDnTLy9qUuUTxDLw1+DcHRUmNN7f6ayU392925cKS/lFCn[/tex]', '[tex=8.286x1.429]E5s1GOjVUSnQbbIqi9Ie5hpTb9EHIQ/U9B/BbE9YCsRQcE+R9bstaTymHwTLwSPv[/tex]', '[tex=9.357x1.429]rSmB/Y+yav8YJ4Sus5KDnXCdFDm4u+1KaO1rI4sAQjpvHnX2KIeXDezqtgJGfrnD[/tex]'], 'type': 102}

AgCl ( s ) 在纯水、[tex=8.429x1.429]rSmB/Y+yav8YJ4Sus5KDndm+9ljoJL6yN75VjZIEmjFCN+QHe1FVLk9KVNa60zYa[/tex]溶液、 [tex=8.143x1.214]rSmB/Y+yav8YJ4Sus5KDnSAtxiRw8nCj3Dg2Nfy02Ek=[/tex] 涳液中的溶解度 分郧为 [tex=2.143x1.0]o7jM1ZXQQzKO4MdxBguyyQ==[/tex]和[tex=0.857x1.0]XOXhZghaXy+9SsyBFIa6CA==[/tex], 则 [br][/br] 未知类型：{'options': ['[tex=5.143x1.071]+FQ+azURNsvpfbidyqoupBA9SxA2bjrYXZNNRcfVsFY=[/tex]', '[tex=5.143x1.071]q7Il9HUtYIA8Kaf/wfyV7Yt91FlrEaJI+4kHB2J2QE0=[/tex]', '[tex=4.571x1.071]HJZYmBdlAuEDHssvrDe8aAb9z0GoMAVcQf810fj9JwI=[/tex]', '[tex=5.143x1.071]TW2NXzr4eprTPW4nOGNMg2tm7cQwQ/1r+R8TVPCorrI=[/tex]'], 'type': 102}

已知某溶液中含有[tex=8.0x1.214]rSmB/Y+yav8YJ4Sus5KDndPAJOBxnlCksL4egYO3HwgB3xH6OdyXlb8uINShv7Ex[/tex]和[tex=8.214x1.429]rSmB/Y+yav8YJ4Sus5KDnUGkO3fnuW+MyTUo0SnMOuiHKehOri1xpyXqruK1JgKj[/tex]当在此溶液中通入[tex=1.857x1.214]RsICoPjfj9D9ZEKOzAujAQ==[/tex]使之饱和时，哪种沉淀先析出?为了使[tex=2.214x1.214]TVrBEGtNaBidHnutj2Wj8A==[/tex]沉淀完全,问溶液中[tex=1.5x1.143]dy0pjvZVTLjkvjNwUvXkYw==[/tex]浓度应为多少，此时[tex=1.929x1.0]2T/BU4LBPd3s23VBkEmT8Q==[/tex]沉淀是否能析出? [tex=6.214x1.571]321R31YPN9X4JTyMQemwbiWIb+r4nDyzns1OwMDYoGguXVt92yAYray89bewukls[/tex]不能析出)[br][/br]

四种浓度都是[tex=5.714x1.429]rSmB/Y+yav8YJ4Sus5KDnbRUp2pQvH10u8E4aqLpMdQ=[/tex] 的电解质溶液,其中平均活度系数最小的是 未知类型：{'options': ['[tex=2.357x1.0]Y899w27blGq+vWxfY6PYXw==[/tex]', '[tex=2.857x1.214]JHtguCamOgrTk0/0OhpK/A==[/tex]', '[tex=2.429x1.214]mNzYmsIaPtelYY1hs4h75A==[/tex]', '[tex=3.071x1.214]yetthUFGDD1Nkdk4A/QvOg==[/tex]'], 'type': 102}

以石墨为阳极,电解 [tex=8.071x1.429]rSmB/Y+yav8YJ4Sus5KDnVfIsPRk8CTgrOUYh8r/0UI=[/tex]溶液，在阳极上首先析出 未知类型：{'options': ['[tex=2.643x1.357]mT0dUIZPxyggbjv1DovX/Q==[/tex]', '[tex=2.429x1.357]05Ef//Lla0hw4cJ2WQ3WLQ==[/tex]', '[tex=1.214x1.214]ogzwnmEUn9+58vYBf98W2Q==[/tex]\xa0与[tex=1.143x1.214]RsWH6ffQa/jlfibpwkB/0w==[/tex]混合气', '无气体析出'], 'type': 102}

以[tex=1.071x1.0]l9STEDEM6QoxZ+xyM6VsiA==[/tex]为电极，电解[tex=6.071x1.214]rSmB/Y+yav8YJ4Sus5KDnSPXsFfpM0ErhimxzsNJrc4=[/tex]的[tex=2.929x1.0]LfDvsnXkyrymoxa2lSbg2g==[/tex]溶液，用标准[tex=3.357x1.143]8ly5HyAWyQpmPegwyUlA7A==[/tex]原电池做电源进行电解，至少要串联几个原电池？已知[tex=10.643x1.5]m5LhX8fB7NibYhWjzXJSwqH11iqyZ9enfXCog0hsUl203ogGZJ1+Tv7u4hiEbnujyiAjuv+KznKaMMEOB/Q7/w==[/tex]，气体分压均为[tex=3.214x1.0]lsrCY8hBV0Olm5lWHp6enA==[/tex][tex=10.357x1.286]pSkXzHN+OkuRyDkpBgrHt6n6f96WWBhT7czmOHXTraKyvS7aj5lUd8UnpvFkPt9ik3yb09wLKb9ZePLediswYQ==[/tex][tex=24.714x1.286]m5LhX8fB7NibYhWjzXJSwg/a2hh2R6IohC2Zq8Opp2n6icA1LJZW9BcVmB3Yd63kJlf3iUvsL5qMIwOfkLLFV9+MvajiSgj85GZBK6d8EaH72pphcxHMlyQ1DirFHvc2Ew9s8XZ6owB3SodsmZTGBA==[/tex]

在[tex=2.357x1.0]/NnQehdlK2QR+QNALFVBUw==[/tex] 时,有一个含乙酸乙酯和 [tex=2.5x1.0]GHRsmfVsMdRLmfcEgxEsqw==[/tex] 浓度均为 [tex=6.5x1.214]rSmB/Y+yav8YJ4Sus5KDnRTkVPj2FoHCic6klBiA9oc=[/tex]的混合 溶液,用电导率仪测定溶液在不同时刻的电导率,由此计算出溶液中碱浓度的变 化,实验数据如下：[img=902x109]17a9b1a5d698a5b.png[/img]确定该反应的级数,求速率系数和半衰期;

在[tex=2.357x1.0]/NnQehdlK2QR+QNALFVBUw==[/tex]时,浓度为: (1)[tex=5.214x1.429]IHa0mpPU+sZTxgcSks9FKqmIDMY/5nWS6OBAK/RLJuk=[/tex]与[tex=5.714x1.429]rSmB/Y+yav8YJ4Sus5KDnbRUp2pQvH10u8E4aqLpMdQ=[/tex] 的[tex=1.857x1.0]J5/m7wHLEvPVmioJRGa25A==[/tex]溶液的液接电势为 [tex=2.357x1.357]j+100HMdjA5J3thYx+VlSQ==[/tex] ;(2)保持浓度相同而换用[tex=1.929x1.0]lNKFM1BoeqkunF21jXMllA==[/tex]溶液,则其液接电势为[tex=2.357x1.357]FntJrLjLhZCt8tBcamUG5w==[/tex], 两者关系为 未知类型：{'options': ['[tex=6.0x1.357]ThI3izOLWKFUm4qmKTJfadtRrdsnvzZEhantR+QF2RA=[/tex]', '[tex=6.0x1.357]ed+hqXvhJqUZpam9rHoRQQpqbd1vLBSbibUJfn+1DWM=[/tex]', '[tex=5.429x1.357]0KAEK4d3rmyacIw4MsNwgEt7u6Qps+Ts0xxkwx+t+98=[/tex]', '无法判定'], 'type': 102}

在[tex=2.357x1.0]/NnQehdlK2QR+QNALFVBUw==[/tex] 时,浓度为[tex=1.286x1.0]QL7mLlVQnYLoa3OCU4ox/Q==[/tex]和 [tex=5.714x1.429]rSmB/Y+yav8YJ4Sus5KDnbRUp2pQvH10u8E4aqLpMdQ=[/tex] 的 [tex=1.857x1.0]J5/m7wHLEvPVmioJRGa25A==[/tex]溶液的液接 电势为 [tex=2.643x1.357]+hYRGb/sHCuWwLg7Ae7kEw==[/tex]浓度相同而换用[tex=1.929x1.0]lNKFM1BoeqkunF21jXMllA==[/tex] 溶液,则其液接电势为[tex=2.286x1.357]gmy45DrGbBKzW3r6s/gslA==[/tex], 两者关系为 未知类型：{'options': ['[tex=6.0x1.357]/P3XZbFeVw/V+3JNEC8WXksb1g1hdziosMLWPuZI/LA=[/tex]', '[tex=5.429x1.357]qcP/LTqncYpXLLqlGQ7eZrI830xDj4/h1bCqCkFvN60=[/tex]', '[tex=5.429x1.357]64FO0bF4AHiQQziHUYGJPbQ6O7hHzdjHG5+kbe7gu6c=[/tex]', '无法判断'], 'type': 102}

混合溶液中[tex=4.214x1.214]+VHu7U7p5OyZH6N9ztyP1Q==[/tex]和[tex=3.5x1.214]K85aKCfyGtUIwh4kQOLHfPYwYdB/knoz96OzpKL72Rw=[/tex]浓度均为[tex=6.571x1.214]zGlt9iFbM1ZHCMl6Y1xUIMBfUUflLPVJ4sgnQSGIO7k=[/tex]向溶液中逐滴加人[tex=6.5x1.214]rSmB/Y+yav8YJ4Sus5KDnRTkVPj2FoHCic6klBiA9oc=[/tex]的[tex=3.143x1.214]7/74oP7ZHh1PPGFMLjZZUQ==[/tex]溶液时,最先和最后沉淀的是 [tex=21.214x1.643]g3tvVYl63XWsLPWfZ/TsFIJwd8gfNHsxthPv62gNK8F7vRAUUho5W3YRTOqTf7avi2ydt8HF/4pGW16lGtwMAY4DjuscrzwAuT95/9eZA2iLw9Kob3O20lqKEQE9iFN92DcBVM7iW1s4Kf1CWg4x9Q==[/tex][tex=12.286x1.643]kqAgIBlr2oGvobDlolvRHeprnTlQ6sDrOPLkP0brGA6ljBoiPRyubnXrIYTEa/vxvabgv+wG2V3YEX4nShzTCndx/ANM2w6ehYJ8UhSPigiqfe4+S5h2h7wWaiSG0ZA4[/tex] 未知类型：{'options': ['[tex=2.286x1.214]nceVOTib4Cm3L+Sf69HTuQ==[/tex],[tex=2.286x1.214]6INwYJRD7QExaMkQ2l6Ytg==[/tex]', '[tex=2.286x1.214]nceVOTib4Cm3L+Sf69HTuQ==[/tex],[tex=3.857x1.214]q6Eu++DQ6vPOMIhrSf5w+AdCMSnnSffxmMRMAEp8E4k=[/tex]', '[tex=3.857x1.214]DHWCHRoipD2GcuABlRml6YB5VvKrORb8C6NQFZSgd9Y=[/tex],[tex=2.286x1.214]6INwYJRD7QExaMkQ2l6Ytg==[/tex]', '同时沉淀'], 'type': 102}