Sunday, 30 January 2022

Making up stock Solutions

 Getting the students to make up the stock solutions. Year 11's work out the amounts for the volume and concentration. They learnt a lot and my technician didn't have to do it! #iteachchemistry @ChatChemistry




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Diffusion

 A-Level Biology: Diffusion in Agar. Some tubes are filled with agar and an indicator, and the rate of diffusion of some acid is measured as...