Question 28 FLAG HESTION If a pharmacist mixed 500 g of calamine lotion that contains 5% (w/w) zinc oxide to 250 g lotio
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Question 28 FLAG HESTION If a pharmacist mixed 500 g of calamine lotion that contains 5% (w/w) zinc oxide to 250 g lotio
Question 28 FLAG HESTION If a pharmacist mixed 500 g of calamine lotion that contains 5% (w/w) zinc oxide to 250 g lotion which contains 20% (WW) zinc cand what is the percentago strength (w/w) of the resultant mixturo? Answers A-D A 12.5% B37.5% 10