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e) In performing an immunological procedure, you add 2 mL of serum to 8 mL of saline. Two 1:2 serial dilutions are then made. What is the dilution of serum contained in the final tube?

  • chemistry -

    you diluted it first by a facator of 5 (2ml to 10 ml).
    then you diluted it by factors of 3.

    dilution: 5*3*3=45 times

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