Download In normal blood there are about 5.4x10^9 red blood cells per

In normal blood there are about 5.4x10^9 red blood cells per milliter.
the volume of a red cell is about 90x10^-12 cm^3 and the density of a red cell
is 1.096 g/ml. how many liters of whole blood would be needed to collect 0.5
kg of red blood cell???
CRBC  C( red _ blood _ cells )  5.4 109 cells
ml
12
3
12
VRBC  90 10 cm  90 10 ml
d RBC  1.096 g
mRBC
ml
 0.5kg  500 g
mRBC
500 g

 456.2ml
d RBC 1.096 g
ml
 number _ of _ RBC _ needed
VRBC needed 
nRBC
nRBC 
VRBC needed
456.2

 5.07 1013 cells
12
VRBC
90 10
Vwhole _ blood needed 
5.07 1013 cells
 9388.9ml  9.39 Liters
5.4 109 cells
ml