Question

A 6.0 M HCI solution is diluted to make 500 mL of a 2.5 M HCI solution. What volume of the 6.0 M HCI solution is required to make this solution?

Answer 1

V₁ = 208.3 mL

Step-by-step explanation:

Given data:

Initial molarity of HCl = 6.0 M

Final volume = 500 mL

Final molarity = 2.5 M

Volume of initial solution required = ?

Solution:

Formula:

M₁V₁ = M₂V₂

Now we will put the values in formula.

6.0 M × V₁ = 2.5 M ×500 mL

6.0 M × V₁ = 1250 M.mL

V₁ = 1250 M.mL / 6.0 M

V₁ = 208.3 mL