Tuesday
September 30, 2014

Homework Help: Calculating Dilutions

Posted by Anonymous on Sunday, February 3, 2013 at 5:22pm.

1. 1 ml serum added to 5 ml saline. 1:2 dilution is made. What is the dilution of serum in tube 6?

So the serum + saline would make a 1:6 dilution. Multiply that by serial dilution of 1:2 which would give: (1/6) x (1/2) x (1/2) x (1/2) x (1/2) x (1/2) = (1/192). Is that correct?

2. How would you set up a series of tubes with a 1:4 dilution such that you end up with 3 ml in each tube?

Mm...this one I'm kind of stuck =/

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