The following serial dilutions are performed:

First, 2ml of diluent is added to 5 test tubes.
Next, 0.5ml of 10M KOH is added to tube #1 and mixed well.
Next 0.5 ml is transferred from tube #1 to tube # 2.
This process is continued through tube #5.
What is the molar concentration of KOH in tube #5?



Answer :