Air mass

What is the weight of the air in a classroom with dimensions 10 m × 10 m × 2.7 m ? The air density is 1.293 kg/m3.

Correct result:

m =  349.1 kg

Solution:

V=10⋅ 10⋅ 2.7=270 m3 h=1.293 kg/m3 m=h⋅ V=1.293⋅ 270=349.1 kg

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