Question

A pharmacist works with a 1.75 m solution of sodium bromide (nabr) and water. the volume of the solution is 84.0 milliliters. if the pharmacist dilutes the solution to 1.00 m, what is the volume of the new solution? express your answer to three significant figures. the volume of the new solution is milliliters.

Answer 1

The volume of the diluted (i.e the new) solution given the data is 147 mL

Data obtained from the question

• Molarity of stock solution (M₁) = 1.85 M
• Volume of stock solution (V₁) = 84 mL
• Molarity of diluted solution (M₂) = 1 M
• Volume of diluted solution (V₂) = ?

How to determine the volume of diluted solution

M₁V₁ = M₂V₂

1.75 × 84 = 1 × V₂

V₂ = 147 mL

Thus, the volume of the new solution is 147 mL

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