Question
Pharmaceutics Question on Pre formulation
What quantities of 95% v/v and 45% v/v alcohols are to be mixed to make 800 mL of 65% v/v alcohol?
A
480 mL of 95% and 320 mL of 45% alcohol
B
320 mL of 95% and 480 mL of 45% alcohol
C
440 mL of 95% and 360 mL of 45% alcohol
D
360 mL of 95% and 440 mL of 45% alcohol
Answer
320 mL of 95% and 480 mL of 45% alcohol
Explanation
Solution
The correct answer is option (B) : 320 mL of 95% and 480 mL of 45% alcohol