caylieohmy
caylieohmy caylieohmy
  • 06-02-2018
  • Chemistry
contestada

Approximately how many atoms make up 2.3 moles of gallium
A) 1.6x10^21
B) 3.8x10^22
C) 2.3x10^23
D) 1.4x10^24

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sausagesw2 sausagesw2
  • 06-02-2018
C is the correct answer
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Louli
Louli Louli
  • 06-02-2018
Answer:
D. 1.4 * 10^24

Explanation:
We are given that:
number of moles = 2.3
One mole of any element contains Avogadro's number of atoms. So to get the total number of atoms, we will just multiply the number of moles by Avogadro's number as follows:
number of atoms = 2.3 * 6.022 * 10^23 = 1.38506 * 10^24 atoms
which is approximately equal to 1.4 * 10^24 atoms

Hope this helps :)

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