Scoring Scheme: 3-3-2-1 Part I. How many mL of 6 M NaOH stock solution should be used to prepare the 500 mL of 0.2 M NaOH? Please enter your answer to a tenth of a mL, e. g. 10.3 mL. mL of 6M NaOH =.

Answer : The volume of 6M NaOH stock solution is, 16.7 mL

Explanation :

To calculate the volume of NaOH stock solution, we use the equation given by neutralization reaction:

where,

are the molarity and volume of NaOH stock solution.

are the molarity and volume of NaOH.

We are given:

Putting values in above equation, we get:

Thus, the volume of 6M NaOH stock solution is, 16.7 mL

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