[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$faubqmf7L-eqJj8ThlA6BZhAIh2CL5zFBaeDEXN44wvU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-12-05 10:09:11",251336353,[8,9,10,11],"酸碱滴定法","氧化还原滴定法","配位滴定法","沉淀滴定法",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},9,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48340783","实验6 阿司匹林药片中乙酰水杨酸含量的测定","乙酰水杨酸含量测定通常采用的方法是( )",[21,26,35,44,53,62,72,81,89],{"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},[],251336354,[30,31,32,33],"氢氧化钠","盐酸","硫酸","高氯酸","用酸碱滴定法测定乙酰水杨酸含量时,所用的标准溶液是( )",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],251336355,[39,40,41,42],"羧基","酚羟基","酯基","羰基","乙酰水杨酸的结构中含有( ),可与氢氧化钠发生中和反应",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],251336356,[48,49,50,51],"托盘天平","电子天平","量筒","容量瓶","称取乙酰水杨酸样品时,使用的仪器是( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],251336357,[57,58,59,60],"1","2","3","4","为了减小实验误差,滴定操作时一般要进行( )次平行测定",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":71},[],251336358,[66,67,68,69],"系统误差具有重复性和可校正性","偶然误差不可避免,无法减小","过失误差是可以避免的","误差是不可以避免的","以下关于误差的说法正确的是( )",1,{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":24,"type":71},[],251336359,[76,77,78,79],"洗涤","润洗","检查是否漏水","装液、排气泡","滴定管在使用前需要进行的操作是( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":87,"source":24,"type":88},[],251336360,[85,86],"正确","错误","乙酰水杨酸含量测定可以选择直接滴定法和返滴定法.( )",3,{"answer":90,"createTime":5,"id":91,"options":92,"question":93,"source":24,"type":88},[],251336361,[85,86],"测定药片的实验中,用HCl返滴后,水解产物是水杨酸钠和乙酸钠( )"]