chemchick chemchick
  • 16-07-2016
  • Chemistry
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calculate the number of atoms in 0.377 grams of ar

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Willchemistry
Willchemistry Willchemistry
  • 17-07-2016
Molar mass Argon ( Ar ) = 39.95  g/mol

39.95 g ---------------- 6.02 x 10²³ atoms
0.377 g ---------------- ( atoms Ar )

( atoms Ar ) = 0.377 x ( 6.02 x 10²³ ) / 39.95

( atoms Ar ) = 2.26954 x 10²³ / 39.95

= 5.68 x 10²¹ atoms Ar

hope this helps!
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