What is the weight/volume percentage (W/V%) of a drug solution that contains 2 g of drug in 1.5 liters of solution?
a. 0.30% c. 1.33%
b. 3% d. 0.133%
ANS: D
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A Incorrect: This solution is stronger than desired.
B Incorrect: This solution is stronger than desired.
C Incorrect: This solution is stronger than desired.
D Correct: Take the number of parts (2 g) divided by the total volume of fluid (1500 mL) = 0.00133 multiplied by 100 = 0.133 %
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