AQA A Level Biology
https://www.physicsandmathstutor.com/pdf-pages/?pdf=https%3A%2F%2Fpmt.physicsandmathstutor.com%2Fdownload%2FBiology%2FA-level%2FTopic-Qs%2FAQA%2F1-Biological-Molecules%2FSet-B%2F1.8%2520Inorganic%2520Ions%2520QP.pdf
How do you know for Q1b.i That it's 0.25 and not where the line starts to level at 0.48moldm-3 please?
How do you know for Q1b.i That it's 0.25 and not where the line starts to level at 0.48moldm-3 please?
So if the mass is the same at the start and the end what is the simplest ratio of mass before : mass after be ?
Then find this on the y axis until it meets the curve and then go down to see where it meets the x axis finding the concentration
Then find this on the y axis until it meets the curve and then go down to see where it meets the x axis finding the concentration
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