皮皮学，免费搜题
登录
搜题
【单选题】
已知相对分子质量为 320 的某化合物在波长 350nm 处的百分吸收系数 ( 比吸收系数 ) 为 5000, 则该化合物的摩尔吸收系数为A.
1.6×10 4 L/(moL·cm)
B.
3.2×10 5 L/(moL·cm)
C.
1.6×10 6 L/(moL·cm)
D.
1.6×10 5 L/(moL·cm)
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】becau s e scatter recover more t ha n within although k now Foreign trade, the exchange of goods between nations, takes place for many reasons. The first, as it is , is that no nation has all of the c...
【单选题】Which one is the abbreviation and full name of “新冠病毒”?
A.
COVID-19, coronavirus disease 2019
B.
MERS, middle east respiratory syndrome
C.
SARS, severe acute respiratory syndrome
D.
H1N1
【单选题】Passage Four Every culture and every country in the world celebrates New Year, but not everyone does it the same way. The countries in North America and Europe welcome New Year on January the first. T...
A.
to keep the evil spirits away
B.
to have fun
C.
to celebrate the coming of the new year
D.
to keep to a custom
【单选题】Before 1990, the US strategic focus is on Europe and the Middle East.
A.
Y
B.
N
C.
NG
【简答题】becau s e scatter recover more t ha n within although k now Foreign trade, the exchange of goods between nations, takes place for many reasons. The first, as it is , is that no nation has all of the c...
【简答题】Complete the sentences with suitable expressions from the collocation box. Sometimes more than one collocation is possible.Adj + comment: brief, critical, fair, negative, publicV + comment: address,...
【简答题】Points on Travel Taboos Traveling the globe can be a behavioral (a. 行为的 ) minefield (n. 雷区 ), even when you have the best intentions. Try to avoid cultural mistakes when going abroad. Touching Someon...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
