If a portable liquid oxygen reservoir is set to deliver 6 L/min and the current reservoir weight is 38 lb,it will take _____ hours for the reservoir to empty if the weight of an empty container is 10 lb.

Question

Quizplus · Accepted Answer

Subtract 10 lb from 38 lb = 28 lb.Convert 28 lb/2.5 lb/L = 11.2 lb.11.2 lb * 860 = 9632 L.Then divide by liter flow: 9632 L/6 L/min = 1605 minutes,or 27 hours.

If a Portable Liquid Oxygen Reservoir Is Set to Deliver