Considering the definition of diution, 0.2 L of 10.0 M H₂SO₄ is required to prepare 4.0 L of 0.50 M H₂SO₄.
First, you have to know that dilution is the reduction in concentration of a chemical in a solution. So, dilution is the procedure followed to prepare a less concentrated solution from a more concentrated one, and it simply consists of adding more solvent.
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 of the solution increases.
To prepare a dilution, a certain volume of the concentrated solution is taken, and it is taken to a container, adding diluent until the volume calculated for the diluted solution is reached.
The expression to prepare a solution is the following:
Ci×Vi= Cf×Vf
Where:
In this case:
Replacing in the dilution expression:
10 M×Vi= 0.50 M× 4 L
Solving:
[tex]Vi= \frac{0.50 Mx 4 L}{10 M}[/tex]
Vi= 0.2 L
Finally, 0.2 L of 10.0 M H₂SO₄ is required to prepare 4.0 L of 0.50 M H₂SO₄.
Learn more about dilution:
