Chemistry, 04.06.2021 21:40 s9003792

QUESTION 2 2.1
The number of bacteria in the samples need to be quantified. The laboratory uses a specific
protocol where the dilution factor on the spread plates must be:
10^-3 10^-4 10^-5

Describe how you would prepare the required dilution series using the least amount of dilution
water.

2.2
Calculate the amount of bacteria in the sample from the following results (show the steps in
the calculation):
Dilution factor count
10^-3 289
10^-4 31
10^-5 2

Answers: 1

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QUESTION 2 2.1
The number of bacteria in the samples need to be quantified. The laboratory use...