Question

Expression of concentration homework: I. Antipyrine 5% Glycerin ad 60 Sig: Five drops in right ear. How many grams of antipyrine should be used in preparing the prescription? If100 mL of a pharmaceutical preparation contains 20 μL of a 50% w/v solution of benzalkonium chloride, what is the percentage strength of that agent in the solution? 2. 3. How many milligrams of methylparaben are needed to prepare 8 fluidounces of a 4. If a pharmacist dissolved the contents of eight capsules, each containing 300 mg solution containing 0.1 2% (w/v) of methylparaben? of clindamycin phosphate, into a sufficient amount of an astringent liquid base to prepare 60 mL of topical solution, what would be the percentage strength (w/v) of clindamycin phosphate in the prescription?

Answer 1

antipyrine 5% Glycerin ad 60 Sig: five drops in right ear. how many grams of antipyrine should be used in preparing the prescription?

Solution:-

5% Weight to Volume = 5% of 60ml

60ml X 0.05 = 3gms

=3 g Antipyrine

How to use:-

You need to lie on your side or tilt your influenced ear upward to embed the eardrops. It's smarter to keep the ear cartilage here and there to help the drops effectively move into a grown-up's ear. In any case, on account of youngsters, the ear cartilage ought to be kept further and further down.

While it's smarter to keep the set out tilted toward 2 minutes to guarantee the drops achieve the center ear, you can likewise embed a delicate cotton plug. A similar technique can be rehashed for the other ear whenever coordinated by your specialist. Try not to wash the dropper and do supplant its top after utilize.

It's smarter to have someone else embed the drops to keep away from the dropper contacting the ear and getting polluted and to guarantee the perfect measure of medicine is given. Also, to bring down the danger of conceivable discombobulation, it's smarter to initially grasp the compartment for a couple of minutes to warm it. Apply the eardrops simply in the wake of washing your hands.

Answer:- (2).

The percentage strength of that agent in the solution.