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GoryStmesay
GoryStmesay GoryStmesay
  • 14-10-2016
  • Chemistry
Answered

How many atoms are in 165 g of calcium?

Verified Answer :

Willchemistry
Willchemistry Willchemistry
  • 22-10-2016

Atomic mass calcium ( Ca ) = 40.078 a.m.u

40.078 g ------------- 6.02x10²³ atoms
165 g ----------------- ??

165 x ( 6.02x10²³ ) / 40.078

=> 2.47x10²⁴ atoms

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