["일일 문제"] 이론적 기반2

2020-07-19View Original

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. 선택 문제: 물질의 수증기압이 가장 큰 것은? A. 1.1mol kg--NaCl B. 1.1mol kg--蔗糖 C. 2.2mol kg--CaCl2 D. 5.2mol kg--HAc 답변: B 提示: 문제 해결 과정을 설명하면 추가 포인트를 받습니다.D。..Ac挥发性具有挥发性性性性质。

Reply #22020-07-19

D..AcD.酸

Reply #32020-07-21

B..蔗糖溶液浓度越大蒸气压D蒸汽压压压压压压压压越大因此蒸气D压蒸汽DD压压压压压压压压压压压D压压D压压D压由由由由由D由由D由D由D最大是A>B>C。

Reply #42020-07-21

B.0.1mol kg-1蔗糖溶液浓度越小，蒸气压越大，所以蒸气压由大到小是A>B>D>C。

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["일일 문제"] 이론적 기반2

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