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PTECH Pharmaceutics II (Industrial & Quality Control) QUESTION #5690
Question 1
Which equation represents the 'Alligation Alternate' method for mixing two concentrations $C_{1}$ and $C_{2}$ to get concentration $C_{m}$?
  • $\frac{Parts_{1}}{Parts_{2}} = \frac{|C_{2} - C_{m}|}{|C_{1} - C_{m}|}$✔️
  • $\frac{Parts_{1}}{Parts_{2}} = \frac{|C_{1} - C_{2}|}{C_{m}}$
  • $C_{1}V_{1} = C_{2}V_{2}$
  • $P = V \times D$
Correct Answer Explanation
Alligation alternate uses the absolute difference between the desired and available concentrations to determine mixing proportions.