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21 December, 22:55

Suppose you were instructed to add 0.2 mL of sample to 9.8 mL of diluent, but instead added 2.0 mL of sample. What was the intended dilution, and what was the actual dilution?

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  1. 21 December, 23:06
    0
    Intended dilution = 50 x; Actual dilution = 5.9 x

    Explanation:

    Dilution factor = (Sample Volume + Diluent Volume) / Sample Volume

    Intended dilution factor = (0.2 + 9.8) / 0.2

    = 50

    Actual dilution factor = (2 + 9.8) / 2

    = 5.9
  2. 22 December, 01:14
    0
    Intended dilution: 50 times

    Actual dilution: 5.9 times

    Explanation:

    Dilution: To decrease the concentration of the solute in a particular solution

    Dilution = total volume of solution/volume of sample

    Here, actual sample: 0.2ml, diluent: 2 ml

    So, intended dilution = 10/0.2 = 50 times

    Actual sample: 2 ml

    So, actual dilution=11.8/2 = 5.9 times
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