Chemistry, 10.10.2019 05:30 Lilshawn1

What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500 % co2 and 99.500% air? the composition of air is 21% mole o2, 79 % mole n2 , and has an average molar mass of 29.0 g/mol number % o by mass

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What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500 % co2 an...