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Answer to Question #54341 in General Chemistry for mariah

Question #54341
The molecular mass of penicillin G (an antibiotic) is 334. If you received a 1.9 ml injection of penicillin that contained 0.6 g of penicillin, what would be the concentration of the penicillin in the syringe?
Expert's answer
First determine the number of moles of penicillin G: n = 0.6g/334 = 0.0018 mol.
Then we can find the concentration: c = n/V = 0.0018mol/0.0019L = 0.95M.

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