Question

Calculate the strength of preparation in terms of absolute alcohol by alligation method​

Answer 1

Hence 20 ml of solution contains 1ml of drug. Therefore 5 parts of 6% v/v solution should be mixed with 1 part of water to produce 5% v/v solution. Hence a total volume of 120 ml of 5 % v/v solution can be prepared from 100 ml of 6% v/v and 20 ml of 0% v/v (water).

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