You suspect you are anemic and your physician orders some te

You suspect you are anemic and your physician orders some tests. He finds that your hemoglobin is 13g %. The molecular weight of hemoglobin is 66,500 gmol^-1. A. What is the concentration of hemoglobin in molar in your blood? B. Each hemoglobin binds 4 oxygen molecules. If the hemoglobin is saturated with oxygen, what is the concentration of O_2 bound to Hb, in molar? C. Convert the answer in B to volume using the ideal gas equation, PV = nRT where T is the absolute temperature, R = 0.082 L atm mol^-1 degree K^-1, V is the volume that we seek and P = 1 atm. The conditions for volume of gas are usually STPD - standard temperature and pressure, dry. The standard temperature is 0 degree C and pressure is 1 atm

Solution

What is the concentration of hemoglobin in molar in your blood?

As you mentioned that the Hb is 13 g%, so your body contains 13 g/dL x 10 dL/L= 130g/L.

The Hb molecular weight has been mentioned as 66500 g/mol, so when you will have 130 g/L/(66500 g/mol)=1.95x10^-3M

B) As you mentioned four oxygen molecules can bind to each hemoglobin.

The concentration of oxygen bound to Hb in molar when the hemoglobin is saturated with oxygen= 1.95x10^-3)x4=7.8x10^-3

c)PV=nRT

1xV=0.078 x 0.0821 L atm mol^-1 K^-1 x 273=1.75 litre

V=1.75 litre