4. How many grams of a 2.5% w/w benzocaine ointment can be prepared by diluting 1 lb of a 20% w/w benzocaine ointment with white petrolatum? (Whole number)

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4. How many grams of a 2.5% w/w benzocaine ointment can be prepared by diluting 1
lb of a 20% w/w benzocaine ointment with white petrolatum? (Whole number)
Transcribed Image Text:4. How many grams of a 2.5% w/w benzocaine ointment can be prepared by diluting 1 lb of a 20% w/w benzocaine ointment with white petrolatum? (Whole number)
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