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Ulleksa [173]
3 years ago
13

The density of blood is 1.05 kg/m3, find the mass of a bag of blood for a transfusion, if the volume is 1.5 m3.

Physics
2 answers:
hoa [83]3 years ago
6 0

(1.5 m^3) • (1.05 kg/m^3) = 1.575 kg.  That's quite a bag you've got there !  1 m^3 is like 264 gallons of blood.  Hope the poor patient survives the transfusion. Also, the actual density of blood is around 1.05 g/cm^3, or 1050 kg/m^3. The blood they're giving the guy in this question is about 18% less dense than the AIR in his hospital room, and they're pumping 264 gallons of it into him. Maybe THAT'S his whole problem.

jeyben [28]3 years ago
3 0

Answer:

mass =1.575 kg: mass of a blood bag

Explanation:

Conceptual analysis

We apply the formula to calculate the density:  

ρ=m/V  Formula (1)  

Where:  

ρ:Density in kg/m³

mass: mass in kg

V= Volume in m³

Unknown data

ρ=1.05 kg/m³

V= 1.5 m³

Problem developmentTo calculate the mass we replace the known data in the formula (1)

1.05 \frac{kg}{m^{3} } =\frac{mass}{1.5m^{3} }

1.05 \frac{kg}{m^{3} }*1.5 m³= mass

mass =1.575 kg: mass of a blood bag

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