Order: administer magnesium sulfate, 6 gram bolus over 25 mi…

Order: administer magnesium sulfate, 6 gram bolus over 25 min, then 3.5 grams/hr. On hand: magnesium sulfate 60 grams in 500 ml D5W. What rate in mL/hr. will be needed to deliver 3.5 grams/hr.? Do not provide the unit of measurement. Only provide the number. Round to the first decimal place (tenths).