Question

A stock solution of 0.0100 M KMnO4
is diluted by taking 15.5 mL of it
and diluting it to 100.0 mL. From this diluted solution, 5.00 mL is taken
out and diluted to 100.0 mL. What is the concentration of the solution
obtained in the end
0.01 x (15.5/100) x (5/100) = ?

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