Concentration Of Ampicillin Sodium Lab Report

|Student Number |101 |
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|Student Name |Sunil_3 Patel |
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|Hand out date |25 FEB ‘10 |Hand in date |04 MAR ‘10 |

Please use the following values in your calculations:

Atomic weight(s): oxygen (O) = 16; carbon (C)
Weight of ampicillin sodium (mg) What weight (in mg) of ampicillin sodium (C16H18N3NaO4S) will provide 144 mg of ampicillin base (C16H19N3O4S)?

27. Weight of potassium permanganate (g) Potassium permanganate is normally made as a concentrated solution which is then diluted prior to use. The concentrated solution is normally made as a 1 in 800 solution. You are asked to supply a patient with sufficient of this solution to allow them to make of use 25 mls of the further diluted solution (1 in 20) 3 times a day for 49 days. What quantity of Potassium permanganate will be contained in the volume of solution you supply (state your answer to 4 decimal places)?

28. Weight of erythromycin (mg) – please answer (a) to (c). What weight (in mg) of erythromycin (C37H67NO13) is contained in the following (state to TWO decimal places):

g) 300 mg of erythromycin ethyl succinate (C43H75NO16) h) 399 mg of erythromycin proprionate (C40H71NO14) i) 916 mg of erythromycin stearate (C37H67NO13. C18H36O2)

29. Amount of drug (g) Indicate the amount of drug present in 145 millilitres (mL) of a 3.84 % w/v solution. Express your answer in grams (g) to 2 decimal