Answered

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To end up with 100 mL of a 1.0 mg/mL solution of analyte, an analyst should measure _____ of a 15.5 mg/mL analyte solution into a 100-mL volumetric flask and dissolve to the mark.

Sagot :

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V₂ = 6.45 mL (volume of analyte)

Calculation

Here we use dilution formula, which is:

C₁V₁ = C₂V₂

where,

C₁ = initial concentration

V₁ = initial volume

C₂ = final concentration

V₂ = final volume

Given data,

C₁ = 1.0 mg/mL

C₂ = 15.5 mg/mL

V₁ = 100 mL

V₂ = ? (to be found)

Putting the values in the formula, we get:

1 × 100 = 15.5 × V₂

V₂ = 100/15.5

V₂ = 6.45 mL

Why would you use a formula for dilution?

A solution is diluted when more solvent is added without increasing solute. The final mixture is thoroughly mixed to make sure that every component is the same.

Learn more about dilution numerical here:

https://brainly.com/question/14892287

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