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RP9 investigating pH changes
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片总数: 6 张•内容版本: v4•公开卡包•更新时间: 8/1/2026
卡片预览 (6 张)
#1
正面 (问题)
What is an acid
背面 (解答)
Proton donor
#2
正面 (问题)
What is a bse
背面 (解答)
Proton acceptor
#3
正面 (问题)
What is an alkali
背面 (解答)
Base that dissolves in water
#4
正面 (问题)
Why does a pH meter need to be calculated
背面 (解答)
So pH values for each reading are accurate
#5
正面 (问题)
How can you investigate how a weak acids pH changes upon addition of strong base
背面 (解答)
Add 2cm^3 NaOH from burette to ethanoic acid, in a conical flask Continue adding 2cm^3 of NaOH measuring pH each time
#6
正面 (问题)
Whys it important to stir resulting solution
背面 (解答)
So all acid and base is thoroughly mixed, pH doesn’t significantly vary throughout solution as would be inaccurate