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At normal temperature and pressure, air has
a density of 0.001184 g/mL. What is the mass
of air in a room that is 2.84 m by 2.27 m by
2.71 m? (answer in units of kg)

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Respuesta :

scme1702
0.001184 g/mL = 0.001184 x 1000 ml/L x 1/1000 kg/g
= 0.001184 kg/L

Volume of room:
2.84 x 2.27 x 2.71
= 17.47 m³ = 17470 L

Mass of air = density x volume
= 0.001184 x 17470
= 20.7 kg