subject
Chemistry, 14.02.2021 05:10 josephmcintosh3137

Sodium only has one naturally occuring isotope, 23 Na, with a relative atomic mass of 22.9898 u. A synthetic, radioactive isotope of sodium, 22 Na, is used in positron emission tomography. 22 Na has a relative atomic mass of 21.9944 u.
A 2.4476 g sample of sodium containing a mixture of 23 Na and 22 Na has an apparent "atomic mass" of 22.9686 u. Find the
mass of 22 Na contained in this sample.
mass of 22Na:

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 23.06.2019 00:30
What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community
Answers: 2
question
Chemistry, 23.06.2019 02:00
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
Answers: 2
question
Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
Answers: 3
question
Chemistry, 23.06.2019 09:30
Where are the noble gases located in the periodic table? a. in the center b. on the left side c. in the upper right corner d. on the far right side
Answers: 1
You know the right answer?
Sodium only has one naturally occuring isotope, 23 Na, with a relative atomic mass of 22.9898 u. A s...
Questions
question
Mathematics, 16.12.2019 21:31
question
Mathematics, 16.12.2019 21:31
question
Social Studies, 16.12.2019 21:31
question
Mathematics, 16.12.2019 21:31
Questions on the website: 13722367