31. The formula for a cosmetic cream calls for 5% of an emulsifier blend consisting of Span 60 and Tween 20. If the Required HLB of the oil phase is 14.0, how much of each of the emulsifiers, respectively, should be used in preparing 500 grams of the cream? (HLB for Span 60 = 4.7; HLB for Tween 20 = 16.7) a. 5.6 grams; 19.4 grams b. 8.4 grams; 16.6 grams c. 12.5 grams; 12.5 grams d. 15.2 grams; 9.8 grams

31. The formula for a cosmetic cream calls for 5% of an emulsifier blend consisting of Span 60 and Tween 20. If the Required HLB of the oil phase is 14.0, how much of each of the emulsifiers, respectively, should be used in preparing 500 grams of the cream? (HLB for Span 60 = 4.7; HLB for Tween 20 = 16.7) a. 5.6 grams; 19.4 grams b. 8.4 grams; 16.6 grams c. 12.5 grams; 12.5 grams d. 15.2 grams; 9.8 grams

Curren'S Math For Meds: Dosages & Sol

11th Edition

ISBN:9781305143531

Author:CURREN

Publisher:CURREN

Chapter1: Relative Value, Addition, And Subtraction Of Decimals

Section: Chapter Questions

Problem 39SST

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