subject
Social Studies, 12.11.2019 02:31 jdkrisdaimcc11

You and a classmate were each given a yellow unknown with a melting point of 110 degrees celsius. you both ran a tlc on it using ethyl acetate solvent as the mobile phase. you both observed a single spot with an rf value of 0.45. you think you might have the same unknown, but you want to make sure. what two relatively quick and easy lab procedures could you do to determine if you have the same unknown?

ansver
Answers: 1

Another question on Social Studies

question
Social Studies, 23.06.2019 00:30
Give three examples of distinctive characteristics of conformity to typical american culture
Answers: 1
question
Social Studies, 23.06.2019 06:40
Which of the following people would a member of congress most likely contact for information on pending revenue legislation? a) a bureaucrat in a foreign government's revenue service. b) the host of a popular talk show c) the staff at one of the congressional support agencies d) athletes on a professional sports team form a major city
Answers: 1
question
Social Studies, 23.06.2019 17:30
Collect sales taxes issue drivers licenses operate public schools all of these are responsibilities of what level of government? a) city government b) state government c) county government d) national government
Answers: 1
question
Social Studies, 23.06.2019 18:00
During the age of imperialism, the economies of european colonies a) were commercially independent from the europe. b) experienced rapid and complete industrialization. c) eventually became dependent on the european global market. eliminate d) were seen as testing grounds for new and risky technology
Answers: 1
You know the right answer?
You and a classmate were each given a yellow unknown with a melting point of 110 degrees celsius. yo...
Questions
question
Mathematics, 07.10.2019 08:10
Questions on the website: 13722366