Question

A 25.00-mL sample of 6.00 M HCl solution is diluted to a new volume of 85.00 mL. What is the concentration of the dilute solution

Answer 1

The concentration of the dilute solution is 1.76 M

Data obtained from the question

• Molarity of stock solution (M₁) = 6 M
• Volume of stock solution (V₁) = 25 mL
• Volume of diluted solution (V₂) = 85 mL

• Molarity of diluted solution (M₂) =?

How to determine the molarity of the diluted solution

M₁V₁ = M₂V₂

6 × 25 = M₂ × 85

150 = M₂ × 85

Divide both side by 85

M₂ = 150 / 85

M₂ = 1.76 M

Thus, the concentration of the diluted solution is 1.76 M

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