If a hospital pharmacist dilutes a vial containing 1 g of antibiotic with 10ml of water, the solution is then added to 100ml of D5W, what is the concentration in mg/ml, of the antibiotic in the D5W?How do you solve this to get the answer?
Firstly total volume = 10 ml + 100 ml= 110ml
Quantity of antibiotic = 1g + 100 *0.05 g [ 1g from 10ml + 100ml of 0.05 from D5W]
Concentration = 6000mg in 110ml = 6000/110 = 54. 55 mg/ml
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