Morphine has the formulaC17H19NO3. It is a base and accepts one proton per molecule. It is isolated from opium. A 0.682g sample of opium is found to need 8.92 mL of a 0.0116Msolution of sulfuric acid for neutralization. Assuming that morphine is the only acid or base present in opium, determine the percent morphine in the sample of opium.