18.2

Making dilutions

This is done by diluting the solution with solvent
The number of moles of solute before dilution is equal to the number of moles after the dilution
Dilution formula is
- M1 x V1 = M2 x V2

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to dilute something means to add solvent, this does not change the amount of moles in the solution but it will change the concentration (mol/L).

what does it mean to dilute something?