[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f767TW42PIZZ0p6sWB6RJNaG0umiFW9F3-Tuh0owiaM8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2026-01-11 17:47:41",251595123,[8,9,10,11],"KOH","NH₄Cl","NaHSO₄","Na₂CO₃",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},41,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48337264","作业五 电解质溶液","向纯水中加入少量下列物质,能促进水的电离且使溶液呈酸性的是( )",[21,26,35,44,53,62,71,81,90,99],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],251595124,[30,31,32,33],"10⁻⁹","10⁻⁸","10⁻⁷","10⁻&sup1;⁰","某温度下,0.1mol\u002FL 的某一元弱酸 HA 溶液的 pH= 4,则该酸的电离平衡常数约为( )",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],251595125,[39,40,41,42],"多元弱酸各步电离平衡常数相互没有关系","弱电解质的电离平衡常数就是电解质加入水后电离出的各种离子的浓度的乘积与未电离分子的浓度的比值","弱电解质的电离平衡常数只与温度有关,与浓度无关","同一温度下,不同浓度的同一弱电解质,其电离平衡常数不同","下列关于弱电解质的电离平衡常数的说法中,正确的是( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],251595126,[48,49,50,51],"c(OH-)&lt;c(H+)的溶液","pH = 7 的溶液","溶质为酸的溶液","能使酚酞变红的溶液","下列溶液一定呈酸性的是( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],251595127,[57,58,59,60],"解离度是指已解离的弱电解质分子数和原有弱电解质分子总数之比","温度升高,所有弱电解质的解离度一定增大","对于同一弱电解质,解离度越大,溶液的导电性越强","解离度与弱电解质的浓度无关","下列关于弱电解质解离度的说法正确的是( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],251595128,[66,67,68,69],"碳酸 碳酸钠","食盐 酒精","硫酸 氢氧化钠","氢氧化钠 醋酸","下列各组物质中,前者为强电解质,后者为弱电解质的是()",{"answer":72,"createTime":73,"id":74,"options":75,"question":80,"source":24,"type":25},[],"2026-01-04 03:27:08",251595129,[76,77,78,79],"中和时所需 NaOH 的量","H⁺的物质的量浓度","电离程度","CH₃COOH 的物质的量","在相同温度时,100mL 0.01mol\u002FL 的醋酸溶液与10mL 0.1mol\u002FL 的醋酸溶液相比较,下列数值前者大于后者的是( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":24,"type":25},[],251595130,[85,86,87,88],"Na2CO3","NaOH","NaCl","NH3","下列属于盐溶于水后所得溶液呈碱性的物质是()",{"answer":91,"createTime":73,"id":92,"options":93,"question":98,"source":24,"type":25},[],251595131,[94,95,96,97],"加少量冰醋酸","加少量醋酸钠","升高温度","加少量烧碱溶液","已知 0.1mol\u002FL 的醋酸溶液中存在电离平衡 CH₃COOH⇌CH₃COO⁻ + H⁺.要使溶液中 c (H⁺)\u002F c (CH₃COOH) 值增大,可以采取的措施是( )",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":24,"type":25},[],251595133,[103,104,105,106],"氨水","硫酸钡","氯化钠","硝酸","下列物质在水溶液中属于弱电解质的是()"]