Author: Anonymous

45. The nurse is instructing the client how to calculate dosages for the Vitamin B12 ordered by the health care provider.  The medication comes 1 mg/mL.  The health care provider has ordered 200 mcg IM.  How many milliliters would the nurse administer? (Round to the nearest tenth. Numeric answer only). 

Calculate the mass of Hydrogen (H2) gas that occupy 8.0 L at rtp.

Calculate the mass of Chlorine (Cl2) gas that occupy 28 L at STP.

How many milliliters should be withdrawn from a stock solution of HNO3 with a concentration of 0.7 M to prepare a 0.2 Liter of this solution with a concentration of 0.3 M?  

a 25 L cylinder containing a sample of Nitrogen gas at a pressure equal to 95 Kpa, if this sample is compressed resulting in decreasing its volume to 21.3 L. Calculate the final pressure of this gas.  

As the pressure applied to a sample of gas is doubled, the volume of the gas

How many grams of Na2SO4 are required to prepare a solution of Na2SO4 with a molarity of 0.5 M and a final volume equal to 150 ml? MW of Na2SO4 = 142 g/mol

How many grams of Na2SO4 are required to prepare a solution of Na2SO4 with a molarity of 0.2 M and a final volume equal to 200ml? MW of Na2SO4 = 142 g/mol

A 100 ml solution contains 4.8 g of AgNO3, Calculate the molarity of this solution. MW of AgNO3 = 169.9 g/mol        

A cylinder, equipped with a piston, containing a nitrogen gas with a volume equal to 22.3 L at 90.2 Kpa, if the piston is moved down resulting in increasing the pressure to 115 Kpa. Calculate the new volume?