☁️☾✧AS Level Chemistry: Paper 3 (Practical Exam) // 9701/31/O/N/20 // Question 1 - Titration♡☁️

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This is a requested walkthrough of q1 which focuses on titration. We will be solving the calculation questions together. These questions involve finding the mass, molar mass, percentage error and more.
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0:16 - Intro
0:17 Q1a - Preparation of the salt solution
1:19 Q1b - Rough + Accurate Titre
4:00 Q1c(i) and c(ii) - Calculate number of moles of iodine
5:31 Q1c(iii) - Calculate the number of moles of thiosulfate ions
5:56 Q1c(iii) - moles of hydrated sodium thiosulfate
6:56 Q1c(iv) - Calculate the value of x in Na2S2O3.xH20
8:41 Q1d(i) - Max error of balance
9:13 Q1d(i) - Max percentage error
9:55 Q1d(ii) - Minimum relative formula mass of FA1
10:58 Q1fUsing anhydrous sodium thiosulfate titre value
11:38 Q1e - Dilution of iodine?
12:01 - Outro
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