One litter of air at atmospheric pressure and 25C is held in a flask.the pressure of oxygen in the flask is 0.201 atm(20.4kpa).the concentration of oxygen in the flask ,in mole per litter is A 8.2 B 0.12 C0.098 D0.0082 请问选哪个 然后为什么
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One litter of air at atmospheric pressure and 25C is held in a flask.the pressure of oxygen in the flask is 0.201 atm(20.4kpa).the concentration of oxygen in the flask ,in mole per litter is A 8.2 B 0.12 C0.098 D0.0082 请问选哪个 然后为什么
litter by litter one goes
那首歌有a litter love,litterkiss,a litter bug,litter gift,all of litter some
那首歌有a litter love,litterkiss,a litter bug,litter gift,all of litter some
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why can't you litter at the
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Air pollution is one of the major problems of the modern world.A great deal of energy is needed to
nowadays the overuse of cars is one of the main causes of air pollution这篇文章这篇文章的后面
Air pollution is one of the major problems of the modern world.A great deal of energy is needed to