How many2 oz bottlescan be filled if100 mL of a 20% solutionis diluted to make a2% solution?
10
16
27
33
Dilution formula:C₁V₁ = C₂V₂
C₁ = 20%, V₁ = 100 mL, C₂ = 2%
(20)(100) = (2)(V₂) → V₂ = 1000 mL(final volume after dilution).
Convert to oz:1000 mL ÷ 59 mL (2 oz) = 16 bottles.
????Reference:PTCE Pharmacy Dilution Calculations, USP <795> Guidelines.
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