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【单选题】
在温度 T 时,纯液体 A 的饱和蒸气压为 p A * ,化学势为 u A * ,并且已知在大气压力下的凝固点为 T f * ,当 A 中溶入少量与 A 不形成固态溶液的溶质而形成稀溶液时,上述三物理量分别为 p A , u A 和 T f ,则:A.
p A * < p A ， u A * < u A ， T f * f
B.
p A * > p A ， u A * < u A ， T f * f
C.
p A * < p A ， u A * < u A ， T f *>T f
D.
p A * > p A ， u A * > u A ， T f * >T f
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