Taking into account the definition of mass per volume concentration and the change of units, 532 milligrams of hemoglobin are in every 3.50 mL of the patient's blood.
You know that the concentration of hemoglobin in the blood is 15.2 [tex]\frac{g}{dL}[/tex]. So, in first place, you need to change units: the g in mg and the dL in mL.
You know that 1 dL= 100 mL and 1 g= 1000 mg. Then:
[tex]\frac{15.2 g}{dL}=\frac{15.2*1000 mg}{100 mL} =152 \frac{mg}{mL}[/tex]
Then you can apply the following rule of three: if 1 mL contains 152 mg of hemoglobin, 3.5 mL contains how much mass of hemoglobin?
[tex]mass of hemoglobin =\frac{3.5 mLx 152 mg}{1 mL}[/tex]
mass of hemoglobin= 532 mg
Finally, 532 milligrams of hemoglobin are in every 3.50 mL of the patient's blood.
Learn more about mass per volume concentration:
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