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【单选题】
有下列四种溶液,在相同温度下渗透压最高的是( )A.
0.2 mol/L NaCl
B.
0.2 mol/L 尿素 CO(NH 2 ) 2
C.
0.2 mol/L 葡萄糖 C 6 H 12 O 6
D.
0.2 mol/L 蔗糖 C 12 H 22 O 11
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A.
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B.
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C.
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D.
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