molality

amount of temperature change depends linearly on the molality of b, with a constant that depends on what the mixture is.

温度的变化量，正比于B的摩尔数，比例常数和混合物是什么有关。

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molality. molality is the number of moles of solute divided by kilograms of solvent.

质量摩尔浓度，就是溶质的摩尔数，除以溶剂的质量。

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the number of moles of solute in 1, 000 g of solvent is its molality (m).

000克溶液中溶质的莫耳数是它的重量克分子浓度（m）。

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I mean, the molality of B divided by the change in temperature.

意思就是B的质量摩尔浓度，除以温度变化量。

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i said we're going to use molality.

刚才说我们要用质量摩尔浓度。

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so this is the molality of b times the molecular weight of a.

所以这就是B的质量，摩尔浓度乘以A的分子量。

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now, the only i can do is, i'm trying to get at molality here.

现在，唯一能做的就是，尽量往质量摩尔浓度上靠。

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