皮皮学，免费搜题
登录
搜题
【单选题】
298K时100g水中溶有1g非电解质，测得其凝固点为-0.31℃，已知水的Kf=1.86K·kg/mol，该物质的摩尔质量是A.
30
B.
36
C.
60
D.
56
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Go down this street until you reach the second traffic lights.英译汉
【简答题】Questions 5-8 Write the appropriate letter on your answer sheet. 【5】
【简答题】Questions 5-7 Answer the following questions using NO MORE THAN THREE WORDS/NUMBERS for each answer. Who decides the country in which the student will work in year three?
【简答题】Temporary traffic lights will operate at intersections with Main Street.
【简答题】如图所示，已知E1＝18V，r1＝1Ω，r2＝1Ω，E4＝10V各电阻R1＝4Ω，R2＝2Ω，R3＝6Ω，电压表的读数U1是28V，试求电源电压E2是多少A、B、C、D各点的电位。
【单选题】The street lights()_on when night falls.
A.
will have gone
B.
will have been going
C.
will be going
D.
will be gone
相关题目：