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Sagot :
To prepare the HCl solution if 1% m/v HCL was available, take 2.5ml of the stock solution and makeup to mark with 7.5 ml of water.
What is HCl?
HCl is hydrochloric acid, and it is a highly reactive and strong acid.
Given, the dilution formula
C₁V₁= C₂V₂
C₁ = initial concentration
V₁ = initial volume
C₂ = Final concentration
V₂ = final volume
The values are
C₁ = 1% m/v
V₁ = ?
C₂ = 0.25% m/v
V₂ = 10 ml
V₁ = C₂V₂/C₁
V₁ = 0.25% m/v × 10 ml /1% m/v
V₁ = 2.5 ml
Thus, the amount of HCl is 2.5ml of the stock solution. The amount of water is 7.5 ml of water.
To learn more about HCl, refer to the link:
https://brainly.com/question/4352335
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