Question 14 pts You need 1200 mL of a 7% solution. Only a 12% solution is in stock. How many mL of the 12% solution are needed to make 1200 mL of the 7% solution? 50 ml 70 mL 500 ml 700 mL Question 15 What is the final concentration (% strength) when you mix 700g of hydrocortisone 2% cream and 700g of hydrocortisone 5% cream? 3% 3.5% 4% 4.5% Question 16 How many milliliters of gentamicin 0.5% ophthalmic solution can be made from a 3 mL stock bottle of gentamicin in 2.5% ophthalmic solution? 3.6 mL 6 mL c 9 mL 15 mL