(w/w) solution has density of . The molecular weight of is . The volume of solution required to prepare a solution of is

Question

(w/w)  solution has density of . The molecular weight of  is . The volume  of  solution required to prepare a  solution of   is

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Strategy:
 This problem requires calculating the molarity of a concentrated (stock) solution first, and then using the dilution formula  to find the required volume to prepare a specific dilute solution.

Step 1: Calculate the molarity of the concentrated stock solution
 (w/w) means   is in  of solution.
Volume of  solution .

Step 2: Apply the dilution formula
To prepare  () of  () :

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