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Question about Serial dilution

My teacher gave this:

If you've diluted the sample ten-fold, then the concentration is 0.1 (or 10 to the power of -1) and the dilution factor was 10.

Then in a question, the dilution factor was 0.1. Will the dilution factor increase or decrease with successive dilutions?
If you are diluting with a dilution factor of 10 each time, your initial concentration is 1 then the second concentration is 0.1, like you said. In a serial dilution, this will be repeated to dilute the second concentration by a factor of 10, to give a concentration of 0.01. This is a dilution factor of 100 from your initial concentration.
So however many times you dilute, the dilution factor between the initial and final concentration will be greater than the initial dilution.
Reply 2
Original post by HappyDPrince
My teacher gave this:

If you've diluted the sample ten-fold, then the concentration is 0.1 (or 10 to the power of -1) and the dilution factor was 10.

Then in a question, the dilution factor was 0.1. Will the dilution factor increase or decrease with successive dilutions?

According to your maths, if course it will! 0.01 dilution will logically give you 100!

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