[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_7_vA9fMFDV8bOUOpZpWh10E6uJJu-xd-Sx__Zlwnu0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-12-03 11:05:50",110335142,[8,9,10,11],"沸点升高","凝固点降低","凝固点升高","蒸气压降低",{"courseId":13,"courseImg":14,"courseName":15},"e8a841355668b4204ff8672db6eef925","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F24013eeab3fd582922e9f144ccb4e828.png","基础化学","在严寒的季节里,为了防止机器中的水结冰,可在水中加入甘油(C3H8O3)这样做的目的是使溶液的( )",[18,29,38,41,50,59,68,77,86,93],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],110335140,[22,23,24,25],"与溶质的性质有关","只与溶剂的性质有关","与溶质的浓度有关","是溶质的质量摩尔浓度为1mol·kg-1时的实验值","关于溶剂的凝固点降低常数,下列哪一种说法是正确的( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],110335141,[33,34,35,36],"扩散为定向移动,渗透为不定向移动","扩散为不定向移动,渗透为定向移动","扩散、渗透产生的原因都是溶液内部存在浓度差","扩散为水由高浓度向低浓度方向运动,渗透为水由低浓度向高浓度方向运动","关于扩散与渗透的叙述中,正确的是( )",{"answer":39,"createTime":5,"id":6,"options":40,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],110335144,[45,46,47,48],"0.2mol·L-1蔗糖(C12H22O11)溶液","50g·L-1葡萄糖(Mr=180)溶液","生理盐水","0.2mol·L-1乳酸钠(C3H5O3Na)","相同温度下,下列溶液中渗透压力最大的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],110335145,[54,55,56,57],"1 g·L-1NaCl溶液","12.5 g·L-1NaHCO3","112 g·L-1乳酸钠(C3H5O3Na)溶液","0.1 mol·L-1CaCl2溶液","能使红细胞发生皱缩现象的溶液是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],110335146,[63,64,65,66],"9g·L-1NaCl溶液","50g·L-1葡萄糖溶液","100g·L-1葡萄糖溶液","生理盐水和等体积的水的混合液","会使红细胞发生溶血现象的溶液是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],110335149,[72,73,74,75],"萘","水","苯","萘、苯","配制萘的稀苯溶液,利用凝固点降低法测定萘的摩尔质量,在凝固点时析出的物质是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],110335151,[81,82,83,84],"理想溶剂在凝固点时,系统温度维持不降,直至全部溶剂都变为固相.温度又开始降低","理想的冷却实际操作上作不到,一定会出现过冷现象,即到了凝固点仍为液态","溶液的冷却曲线在理想测定中在凝固点时出现拐点,观察凝固点比较困难","由于过冷使溶液的凝固点观察变得容易,温度降到最低点是凝固点","下列有关利用凝固点降低法测定物质摩尔质量的说法不正确的是( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":92,"source":27,"type":28},[],110335153,[9,8,90,91],"渗透压力","蒸气压下降","欲测定某蛋白质的相对分子质量,最合适的测定方法是 ( )",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":27,"type":28},[],110335158,[97,98,99,100],"质量摩尔浓度相同","物质的量浓度相同","质量浓度相同","渗透浓度相同","欲使相同温度的两种稀溶液间不发生渗透,应使两溶液 ( )"]