在一定的温度下,在一密闭容器内充入 A 、 B 、 C 三种理想气体,组分 A 、 B 、 C 的物质的量分别为 0.3mol , 0.2mol,0.1mol, 混合气体的总压为 100kPa, 则组分 A 的分压为( ) A 30 kPa B 50 kPa C 60 kPa D 20kPa
A.
30 kPa
B.
50 kPa
C.
60 kPa
D.
20kPa
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