A formula requires mixing 60 mg of menthol, 90 mL olive oil (sp gr = 0.91), and 4.5 g of Tween to make 180 mL of cooling lotion. Calculate the w/v percentages of menthol, olive oil, and Tween.
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4.
A formula requires mixing 60 mg of menthol, 90 mL olive oil (sp gr = 0.91), and 4.5 g of Tween to make
180 mL of cooling lotion. Calculate the w/v percentages of menthol, olive oil, and Tween.
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