the_mole_fraction_有道手机词典

1.So this is the mole fraction of the liquid.
这是液相的摩尔分数。
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2.Well it's the mole fraction of a in the gas.
这是气体中a的摩尔分数。
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3.So what's the mole fraction of B in the gas phase?
那么B在气相中的摩尔分数是多少？
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