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'Dilution Series Calculator' printed from http://nrich.maths.org/
This interactive diagram shows a dilution series made from four dilutions of an initial bacterial solution. At each stage of the dilution, a quantity of the culture is diluted with a quantity of the medium
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Try to calculate the dilution factor for various combinations of initial numbers. Can you create a general rule for the overall dilution? (Full screen version
Investigating the Dilution Series