EftS 14- Review of EXTENSION Cost Effective Bleach (Thiosulphate Titration)
Channel: Miss K Cat
Date: 2020-06-08

In the 14th lesson in Elements from the Sea (A-Level Chemistry OCR B Salters) we looked at a method for analysing how many moles of sodium chlorate(i) there are in a a range of samples of bleach in order to attempt to find out which brand of please was most cost effective.

This video reviews the EXTENSION task from the lesson 14.