Crystal is a 19 year old Caucasian famale diagnosed with Bul…

Crystаl is а 19 yeаr оld Caucasian famale diagnоsed with Bulimia Nervоsa.  She has been purging and using diuretics, and laxatives excessively since a break up with her boyfriend 2 weeks ago.  She was admitted to the ER with a complaint of dizziness, extreme thirst and tachycardia.  Her lab work indicates she has hypomagnesaemia with her lab result of 0.98mg/dL. For low magnesium: The order states to give 2 grams of magnesium sulfate.  You have a bag of fluid that states 1000mg magnesium sulfate per 100ml of normal saline.  How many mL's do you give AND how many bags will you be giving?