How many kilograms does the air in a 25 m² living room with a 2.5 m ceiling weigh?

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The answer

75 kilograms

About 75 kilograms. As much as an adult.

How to get there

1. 25 m² × 2.5 m = 62.5 m³
2. × 1.2 kg per m³
3. = about 75 kg

Source: Calculation with 1.2 kg/m³ air density (Wikipedia)

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