Asked by Ariana

54) The suspension of virus has a concentration of 250 ng/uL. What would be the concentration in the third test tube?
A. 25 ng/ul B. 2.5 ng/uL C. 0.25 ng/uL D. 0.025 ng/uL

why is the answer C? thank you

Answers

Answered by bobpursley
I don't have a clue on the three tubes, however, if the concentration was diluted by 1000, C is the right answer.
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