Question

Camphor Menthol Carnauba wax Beeswax Petrolatum Isopropyl myristate Castor oil q.s 0.5% (w/w) 0.5% (w/w) 10%...

Camphor

Menthol

Carnauba wax

Beeswax

Petrolatum

Isopropyl myristate

Castor oil q.s

0.5% (w/w)

0.5% (w/w)

10% (w/w)

10% (w/w)

10% (w/w)

15% (w/w)

8 g

How many gram(s) of Isopropyl myristate is/are needed for the above prescription?

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Answer #1

Given : 1. isopropyl myristate: 15% w/w

2.Weight of solution is I.e. weight of castor oil is 8gm

To find : Weight of isopropyl myristate

Formula :  Concentration = weight of solute / weight of solution

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