1. A dermatologist prescribes Drysol as a treatment for excessive underarm sweating. Drysol contains 15 g of aluminum chloride hexahydrate in 84 mL of an alcohol base.What is the final strength of Drysol? Round to the nearest hundredths (w/v).2.If 8 tablespoons of extract are mixed with distilled water to total 300 mL, what is the final concentration (v/v)?3.If you add 8 g of salicylic acid to 84 g of an ointment base, what is the final concentration (w/w) of the product? Round to the nearest hundredths (w/w).4.You are asked to make 125 grams of a 7% antifungal cream using tolnaftate powder and Eucerin cream. How many grams of tolnaftate powder are needed? Round to the nearest hundredths (w/w).5. If 75 g of active ingredient powder is mixed with 400 mL NS solution, what is the final concentration? Round to the nearest hundredths (w/v).