emilyhockey18 emilyhockey18

07-10-2022
Chemistry

contestada

The density of air at ordinary atmospheric pressure and 25 °Cis 1.19 g/L.Each 1.00 g of air contains 0.21 g of oxygen gas. What is the mass, in kilograms, of the oxygen gas in a room that measures 15.1 ft×19.6 ft×9.0 ft?

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