The dosage is 4.0 mg and must be equally distributed throughout a ten-minute period. If the solution is only available in 3.0 mg/10mL, what will the flow rate be in mL/min?
mass flow rate = 4.0 mg per 10 min
= 0.40 mg/min
volume flow rate = mass flow rate / density
= (0.40 mg/min)/(3 mg/10 mL)
= 0.40 *10/3 mL/min
= 4/3 mL/min
Answer: 4/3 mL/min
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