1) EPHEDRINE DRUG administered in IV solution.
The drug "Ephedrine" is administered in IV solution. The concentration of the drug is 2 mMol. The IV solution is buffered at pH= 7.4 The buffer has a concentration of 150 mMol ( 150 mM of KH2PO4 / 150 mM K2HPO4. The pKa of the drug ephedrine is 9.6. Will the drug have a negative, positive, or neutral?