How many grams are in #12.4*10^15# atoms of neon?

1 Answer
Aug 27, 2016

Answer:

Well I know that #6.022xx10^(23)# atoms of neon have a mass of #20.18*g#. How do I know this?

Explanation:

And thus the mass of #12.4xx10^15# #"neon atoms"# #=#

#(12.4xx10^15)/(6.022xx10^(23)*mol^-1)xx20.18*g*mol^-1# #=# #??g#