Order: Magnesium sulfate 2 g IV to infuse over 2 hours. It is available as Magnesium sulfate 2 g in 500 mL D5W. What is the infusion rate in mL/hr? Round to the nearest tenths place where applicable and enter numeric value only (no commas or labels) ________ mL/hr

Step 1 is to identify the total volume to be infused and the total time in hours Total volume = 500 mL Total time = 2 hours Step 2 is to calculate the infusion rate in mL per hour mL/hr = Total volume ÷ Total hours 500 ÷ 2 = 250 Step 3 is to round to the nearest tenth 250 = 250.0 Answer: 250.0