A formula for an ophthalmic ointment is as follows:

A formula for an ophthalmic ointment is as follows:
       Tobramycin 0.15 grams
       Dexamethasone   2.5 %
       Ointment base, ad 0.5 grams

a.) How much dexamethasone is required to make this product (answer to the nearest 0.1 mg):

b.) How much tobramycin would be needed to make 1 lb of this ointment? (answer to nearest whole gram):

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Expert Solution

Ans:- If solution is 100 gm than it contain 2.5 gm of dexamethasone is equal to 2.5%.

But if you want 1 lb (pound) of solution it means you want 453.592 gm of solution.

a.) Dexamethasone = 0.125 mg

b.) Tobramycin = 0.4761 gm

Nightingale answered 1 year ago

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