上海师范大学分析化学习题选编

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1、《分析化学》习题选编上海师范大学化学实验教学示范中心2009年3月4日coefficientnotgreaterthan1.3;Highefficiency:control1hourtraveltimebetweenanytwopointswithinthevariousgroupswithintheareauptohalfanhour,1-houraccesstotheairport,45minreachedthecity'smaintraffichub,externalhighwayforhalfanhourwiththe

2、mainchannelsconnectingbus1.5hoursbetweenanytwogroupsofcoreareas;Intensive:2030transitsharerateofaround35%,2050bussharingrateof45%percent.3rdchapter,Yibincity,trafficsituationandGeneral...3.1.1citytrafficstatus1,externaltransportpassengerandcargotrafficinYibincity,tr

3、afficatthepresentmainrailway,highway,waterwayandairfourmodesofpassengerandfreighttransport,thereandculturalheritage,highlightingtheculturaltasteandshapecharacteristicsofthecityinYibin.Accordingtoforecasts,vision2050populationwillreach2.1millionpeopleinthecenterofYib

4、incity,urbanlandisaround210km2.Figure2.6-12050figure2.7landuseplanningintheCenterCity,Yibincitydevelopmentrequiresthedevelopmentofbusrapidtransitconstructionandsocio-economicdevelopmenttrends,Yibincitycoordination,supportingurbanspacelayoutandinfrastructurenetworks,

5、transportorganized,internalandexternaltraffichubsmoothlylinking,realizingsustainabledevelopmentofYibincityintegratedtransportationsystem.Concretecanbesummarizedas,accessible,efficient,intensiveandsustainable.Accessibility:Centralbuilt-uparearoadnetworkdensityofabout

6、7.0km/km2;buslinedensityof3-4km/km2,bustransfer133第1章分析质量保证与控制一、选择题1下列数据中有效数字为四位的是(D)(A)0.060(B)0.0600(C)pH=6.009(D)0.60002下列数据中有效数字不是三位的是（C） (A)4.00×10-5(B)0.400(C)0.004(D)pKa=4.0083为了消除0.0002000kg中的非有效数字，应正确地表示为（D）(A)0.2g(B)0.20g(C)0.200g(D)0.2000g4下列数据中有效数字不是四位的是

7、（B）(A)0.2500(B)0.0025(C)2.005(D)20.505下面数据中含有非有效数字的是（A）(1)0.02537(2)0.2009(3)1.000(4)20.00(A)1,2(B)3,4(C)1,3(D)2,46下列数据中为四位有效数字的是（C）(1)0.068(2)0.06068(3)0.6008(4)0.680(A)1,2(B)3,4(C)2,3(D)1,47在下列数据中，两位有效数字的是（B）(2)0.140(3)1.40(3)Ka=1.40×10-4(4)pH=1.40(A)1,2(B)3,4(C)1

8、,4(D)2,38用50mL滴定管滴定，终点时正好消耗25mL滴定剂，正确的记录应为（C）(A)25mL(B)25.0mL(C)25.00mL(D)25.000mL9用25mL移液管移取溶液，其有效数字应为（C）(A)二位(B)三位(C)四位(D)五位10用分析天平准确称取0