无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

手机扫一扫,访问本页面

开启左侧

Mechanisms of Chemical Change F.1 Proton Transfer Reactions (id: 5dfe43a32)

[复制链接]
admin 发表于 2025-12-22 16:33:04 | 显示全部楼层 |阅读模式
本题目来源于试卷: Mechanisms of Chemical Change F.1 Proton Transfer Reactions,类别为 IB化学

[填空题]
Indicators are used to dete9yknqqwj.3 9bu; vl:):arr8fnnc6s +3fpe bev n1mx6 rmine the endpoint of a titration.
1.Using a relevant equation, explain how acid-base indicators work.
2. 1.Calculate the pH of a $1.0\,mol\,dm^{-3}$ solution of KOH.pH=  
2.Calculate the pH of a $0.5\,mol\,dm^{-3}$ solution of $HNO_3$.pH=  
3.Using section 22 (Section 18- 2025 Syllabus) of the data booklet, suggest a suitable acid-base indicator for a titration between the solutions in (b)(i) and (b)(ii).
4.On the following axis, sketch the titration curve for the titration between the solutions in (b)(i) and (b)(ii), starting with $10\,cm^3$ of $HNO_3$ solution in the flask, and titrating with KOH.






参考答案:
空格1: 14空格2: 0.3


本题详细解析:

微信扫一扫,分享更方便

帖子地址: 

回复

使用道具 举报

您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

GMT+8, 2026-1-11 07:26 , Processed in 0.039332 second(s), 39 queries , Redis On.

搜索
快速回复 返回顶部 返回列表