Blog

In an acid-base titration, 1.54g of citric acid, H3C6H5O7 (Note: Citrate ion is C6H5O73-, MW=210.14 g/mol) is titrated with KOH. If 43.6mL of sodium hydroxide was required to titrate the acid, what was the molarity of the sodium hydroxide?

Which element is in excess when 3.00 grams of Mg is ignited (combusted) in 2.20 grams of pure oxygen gas?  Mg + O2 –> MgO2

Write and balance the molecular, total ionic and net ionic equation in aqueous solution for the following: MgSO4(aq) + Li2CO3(aq) –>

Balance the following redox reaction in acidic solution: PH3(aq)  +  I2(s) ===>  H3PO2¯ (aq)  +  I¯(aq)

A patient is ordered 150 ML of dextrose 0.45% over 45 minutes.  This medication must be hung by gravity with tubing with a drop factor of 10gtt/ML. Please determine the amount of gtt/min that should be administered.

A patient is ordered 1500 ML of NS over 10 hours.  This medication must be hung by gravity with tubing with a drop factor of 15  gtt/ML. Please determine the amount of gtt/min that should be administered.

A patient is ordered 600 mg of medication A PO BID X 13 days.  On hand, the nurse has: Medication A 150MG/30 ML Please calculate the number of milliliters that should be given every dose. Please round to the nearest 10th decimal place. 

The nurse provides care to a patient diagnosed with type 1 diabetes mellitus (DM) whose hemoglobin A1c level remains elevated despite the use of the prescribed sliding scale insulin. The healthcare provider prescribes an insulin pump. The patient asks, “Why did my doctor prescribe a pump?” Which response by the nurse is best?

In what way does the interior surface of the cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is:

Which is NOT considered a cause of metabolic acidosis?