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The othr threads are discussing whats coming in the papers and for specific variants...this thread is for general discussion of tips and things we need to know/study for practicals!there is already a thread for that please see carefully
what do you mean by smallest scale reading? example? weirdly..i've never done a question for this before!
take eg 5 cm3 of known concenteration eg 10% of the solution needed to be diluted and add equal volume of distilled water (5cm3) thus you have reduced the concenteration of the solution to half (5%)
can you reply with reference to the question w12 qp 31
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