Veronica is taking an average of 16 height measurements in a brand-new experiment. Which term is this the best example of? repli
2 answers:
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The mole fraction of oxygen in this mixture is = 0.5789 which is not listed in the options. while the mole fraction of carbon dioxide = 0.4211 ( A )
Given that :
Mass of carbon dioxide = mass of oxygen
lets assume the given mass = x
<u>first step : determine the moles of CO₂ and O₂</u>
moles of CO₂ = mass / molar mass of CO₂
= x / 44
moles of O₂ = mass / molar mass of O2
= x / 32
∴ mole fraction of O₂ = moles of O₂ / ( Total moles in the mixture )
=
= = 0.5789
While the mole fraction of Carbon dioxide = 1 - 0.5789 = 0.4211
hence the mole fraction of oxygen in this mixture = 0.5789 while the mole fraction of Carbon dioxide = 0.4211
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