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(c) An O/W emulsion is to be prepared using mixture of Mineral oil (required HLB = 11.5). Calculate the weight ratio of the following

(c) An O/W emulsion is to be prepared using mixture of Mineral oil (required HLB = 11.5). Calculate the weight ratio of the following two surfactants to be used as emulsifiers in this emulsion. Span 80 (HLB = 5) and Tween 80 (HLB = 15) (5M)

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