Question

Method A: Dilute 10.00 mL up to 100 mL with a transfer pipet and volumetric flask. Then take 10.00 mL of the dilute solution and dilute it again to 100 mL.

Answer 1

Based on dilution methods, the dilution given is a serial dilution with dilution factor of 1/10.

What is serial dilution?

A serial dilution is the stepwise dilution of a substance in solution usually using a constant dilution factor at each step of dilution.

The above dilution step is a serial dilution.

• Dilution factor = original volume/final volume.

Therefire, the dilution factor of the dilution above is:

initial volume = 10 mL

final volume = 100 mL

Dilution factor = 10/100

Dilution factor = 1/10

Therefore, the dilution given is a serial dilution with dilution factor of 1/10.

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