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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 )

#### Other problems

Investigating the Dilution Series