To dilute a HCl solution from 0.500 M to 0.100 M the final volume must be:

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Quizplus · Accepted Answer

To dilute a solution, the final volume must be greater than the initial volume. Using the dilution formula M1V1 = M2V2, where M1 is the initial concentration, V1 is the initial volume, M2 is the final concentration, and V2 is the final volume, it's clear that to decrease the concentration from 0.500 M to 0.100 M, the final volume must be 5 times the original volume (since 0.500/0.100 = 5).

To Dilute a HCl Solution from 0