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(Solved): A cough medicine contains 0.35% (w/v) dextromethorphan, a cough suppressant, and 3.3% (w/v) guaifen ...
A cough medicine contains (w/v) dextromethorphan, a cough suppressant, and (w/v) guaifenisin, an expectorant. How many milligrams of each drug would you obtain from 4.0 tsp of cough syrup? mg dextromethorphan mg guaifenisin
Expert Answer
dextromethorphan = 0.35 % (W/V) guaifenisin = 3.3 % (W/V) cough syrup = 4.0 tsp the volume of cough syrup in mL