准确量取25.00mL Na2CO3溶液,可选用的仪器是                 

准确量取25.00mL Na2CO3溶液,可选用的仪器是                                                      

A50mL容量瓶                                        B50mL 量筒        

     C25.00mL 酸式滴定管                           D25.00mL碱式滴定管

答案

D

相关题目

 - Bill, can I get you anything to drink? - ______ .A. You are welcome.    
 - Bill, can I get you anything to drink? - ______ .A. You are welcome.           B. No problem.C. I wouldn’t mind a coffee. D. It doesn’t matter
以NA代表阿伏加德罗常数,关于热化学方程式: CH4(g)+2O2(g)=CO2
以NA代表阿伏加德罗常数,关于热化学方程式: CH4(g)+2O2(g)=CO2(g)+2H2O(l)△H=-890kJ/mol,下列说法中正确的是 A.有4NA个电子转移时,放出890 kJ的能量 B.有NA
阅读下面两首诗,回答问题。(6 分) 夕阳楼 李商隐 花明柳
阅读下面两首诗,回答问题。(6 分) 夕阳楼 李商隐 花明柳暗绕天愁,上尽重城更上楼。欲问孤鸿向何处?不知身世自悠悠。 ①“花明柳暗绕天愁”
地球赤道上有一物体随地球的自转而做圆周运动,所受的向
地球赤道上有一物体随地球的自转而做圆周运动,所受的向心力为F1,向心加速度为a1,线速度为v1,角速度为ω1;绕地球表面附近做圆周运动的人造卫星受
          he had never worked so hard in his life. A. It seemed to m
          he had never worked so hard in his life. A. It seemed to me that         B. He seemed as if C. There seemed that        D. He seemed like  
一个质量是0.3kg的水壶,装满水的总质量是0.8kg,装满另一种
一个质量是0.3kg的水壶,装满水的总质量是0.8kg,装满另一种液体时的总质量是0.7kg,则水壶的容积是_________m3,这种液体的密度是_______kg/m3。
 If you want to be successful, you must be ________ about the chance of overco
 If you want to be successful, you must be ________ about the chance of overcoming the failure. A. optimistic           B. skeptical               C. previous      
简述一个体现欧也妮·葛朗台像“一枝卓然独立于金钱至上的
简述一个体现欧也妮·葛朗台像“一枝卓然独立于金钱至上的泥潭里的莲花”的故事。

最新题目