What is the final concentration of phosphate if 2.3 mL of 10mg/L phosphate standard if the final volume is 9 mL?

Question

Enter your numerical answer to one decimal place.

Answer 1

To solve this problem, you may use the equation that relates concentration to volume:

C₁V₁ = C₂V₂

C₁ = 10 mg/L

C₂ = ?

V1 = 2.3 mL *remember to convert the volume to liters*

V₂ = 9 mL

Solve for C₂

(10 mg/L) x (.0023 L) = C₂ x (0.009L)