daniece daniece
  • 24-03-2018
  • Chemistry
contestada

Find the average atomic mass of neon, given the atomic masses and relative abundance of its three isotopes.
Ne-20: 19.992 amu; 90.48%
Ne-21: 20.993 amu; 0.27%
Ne-22: 21.991 amu; 9.25%


A. 20.992 amu


B. 19.992 amu


C. 20.1797 amu


D. 20.688 amu

Respuesta :

mkryukova19 mkryukova19
  • 24-03-2018
19.992*0.9048+20.993*0.0027+21.991+0.0925 =  20.1797 amu (C)
Answer Link

Otras preguntas

How can the discovery of new artifacts change interpretations of history over time? It can cause researchers to change how they study ancient civilizations. It
Help...!!!!!!!!!!!!!!!!!!!!!
Point M is located at (9,0) What is located 4 units from point M?
Evaluate the expression for the given value of x. −7x + 6 for x = −7
I don't understand by when it's saying the cost of the amount of lemonade cups and advertising
The coordinates of points A and B are A(4, -2) and B(12, 10). What are the coordinates of the point that is 1/4 of the way from A to B?
Toads that live in hot dry regions bury themselves in the soil during the day. How might this be important to the toad? Explain your answer using scientific ter
Please I need help!!! F 25 G20 H10 J28
3x + 11 = 2x − 5 please help
What is the kinetic energy of a 150 kg bear running at 3 m/s?