laurita1999 laurita1999
  • 31-08-2016
  • Chemistry
contestada

What is the average mass of a single argon atom in grams?

Respuesta :

kameronmurphy97 kameronmurphy97
  • 08-09-2016
 Best Answer:  The molar mass of Ar = 39.948g/mol 
1mol Ar = 6.022*10^23 atoms 
Therefore 1 atom has mass = 39.948 /(6.022*10^23) = 6.63*10^-23g
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