Taking into account the definition of dilution, 83.3 mL of 0.0833 Lof 12 molar hydrochloric acid would be needed to create 1 L of a 1 molar solution of hydrochloric acid.
When it is desired to prepare a less concentrated solution from a more concentrated one, it is called dilution.
Dilution is the process of reducing the concentration of solute in solution, which is accomplished by simply adding more solvent to the solution at the same amount of solute.
In a dilution the amount of solute does not change, but as more solvent is added, the concentration of the solute decreases, as the volume (and weight) of the solution increases.
A dilution is mathematically expressed as:
Ci×Vi = Cf×Vf
where
In this case, you know:
Replacing in the definition of dilution:
12 M× Vi= 1 M× 1 L
Solving:
(1 M× 1 L)÷ 12 M= Vi
0.0833 L= 83.3 mL= Vi (being 1 L= 1000 mL)
In summary, 83.3 mL of 0.0833 Lof 12 molar hydrochloric acid would be needed to create 1 L of a 1 molar solution of hydrochloric acid.
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