A nurse is preparing to administer phenobarbital sodium 300 mg. IV bolus to a client experiencing withdrawal from benzodiazepines .Available is phenobarbital sodium injection 130 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use leading zero if it applies. Do not use a trailing zero.)

Identify the Desired Dose and Available Concentration: Desired Dose: 300 mg of phenobarbital sodium Available Concentration: 130 mg/mL (This means there are 130 mg of phenobarbital sodium in every 1 mL of solution) Set up the Calculation: We need to find the volume (in mL) that contains the desired dose of 300 mg. We can use the following formula: Volume (mL) = Desired Dose (mg) / Available Concentration (mg/mL) Plug in the Values and Calculate: Volume (mL) = 300 mg / 130 mg/mL Volume (mL) = 2.30769 mL Round to the Nearest Tenth: 2.3 mL