4) 6.500 mL of a patient's urine has a mass of 4.750 g. Is this within the normal range for specific gravity (1.002 - 1.030)? Density of H20 = 1.000g/1mL every 12 hrs 5) If a drug needs to be administered for a patient at 3 mg/kg bw b.i.d. and the child weighs 13.5 lb., how much of the drug is administered per day and with each dose