[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0Q50pX5GsGRP2efGmm4LXt5w4ZqE5Dm9j-tYS6r35YY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-10 21:38:56",231560282,[8,9,10,11],"偶然误差","终点误差","系统误差","操作误差",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46811491","新建作业20251015100552","滴定分析中,"滴定终点" 与 "计量点" 不一致所引起的误差称为( )",[21,32,41,50,59,68,77,86,89,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],231560275,[25,26,27,28],"3.3~10.7","5.3~8.7","4.3~9.7","2.3~11.7","用 0.1000 mol\u002FL HCl 溶液滴定 0.1000 mol\u002FL NaOH 溶液时,滴定突跃范围的 pH 是 4.3~9.7.若将两种溶液的浓度均稀释至 0.01000 mol\u002FL,此时滴定突跃范围的 pH 应为( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],231560276,[36,37,38,39],"不能,因 Ka<10⁻⁴","能,因 cKa≥10⁻⁸","不能,因浓度过低","能,因 Ka>10⁻⁶","下列关于一元弱酸(HA,Ka=1.8×10⁻⁵)能否用 0.1000 mol\u002FL NaOH 直接滴定的判断,正确的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],231560277,[45,46,47,48],"酚酞(变色范围 8.0~9.6)","甲基橙(变色范围 3.1~4.4)","中性红(变色范围 6.8~8.0)","百里酚酞(变色范围 9.4~10.6)","用 0.1000 mol\u002FL NaOH 滴定 0.1000 mol\u002FL HCl 时,最适宜选择的指示剂是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],231560278,[54,55,56,57],"中性,酚酞","酸性,甲基橙","碱性,酚酞","中性,甲基橙","用 0.1000 mol\u002FL NH₃・H₂O(Kb=1.8×10⁻⁵)滴定 0.1000 mol\u002FL HCl 时,计量点溶液的酸碱性及适宜指示剂为( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],231560279,[63,64,65,66],"仅酸碱的浓度","仅酸碱的强度","酸碱的浓度和强度","指示剂的种类","影响强酸碱滴定突跃范围大小的主要因素是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],231560280,[72,73,74,75],"7.0","8.7","10.0","5.3","0.1000 mol\u002FL NaOH 滴定 0.1000 mol\u002FL HAc(Ka=1.8×10⁻⁵),计量点时溶液的 pH 约为( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],231560281,[81,82,83,84],"甲酸(Ka=1.8×10⁻⁴)","乙酸(Ka=1.8×10⁻⁵)","氢氰酸(Ka=6.2×10⁻¹⁰)","丙酸(Ka=1.3×10⁻⁵)","下列一元弱酸中,不能用 0.1000 mol\u002FL NaOH 直接滴定的是( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":96,"source":30,"type":31},[],231560283,[93,94,72,95],"3.9","8.3","10.2","用 0.1000 mol\u002FL HCl 滴定 0.1000 mol\u002FL Na₂CO₃(H₂CO₃的 Ka1=4.2×10⁻⁷,Ka2=5.6×10⁻¹¹),第一步滴定(生成 NaHCO₃)的计量点 pH 约为( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":30,"type":31},[],231560284,[101,102,103,104],"强酸碱滴定计量点 pH=7.0,弱酸碱滴定计量点 pH≠7.0","相同浓度下,强酸碱滴定的突跃范围比弱酸碱更宽","强酸碱滴定可任选指示剂,弱酸碱滴定需按计量点 pH 选指示剂","强酸碱滴定无需考虑 Ka\u002FKb,弱酸碱滴定需满足 cKa≥10⁻⁸","下列关于强酸碱滴定与一元弱酸碱滴定的区别,错误的是( )"]