itz2gdancabug
itz2gdancabug itz2gdancabug
  • 17-09-2016
  • Chemistry
contestada

convert 1.39 x 10^24 atoms of carbon to moles of carbon

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Yipes
Yipes Yipes
  • 17-09-2016
If 1mol ------- is ----------- 6,02×10²³
so x     ------- is ----------- 1,39×10²⁴

[tex]x=\frac{1,39*10^{24}*1mol}{6,02*10^{23}}\approx2,31mol[/tex]
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Dejanras
Dejanras Dejanras
  • 02-10-2018

Answer is: there are 2.308 moles of carbon.

N(C) = 1.39·10²⁴; number of carbon atoms.

n(C) = N(C) ÷ Na.

n(C) = 1.39·10²⁴ ÷ 6.022·10²³ 1/mol.

n(C) = 2.308 mol; amount of carbon atoms.

Na is Avogadro number or Avogadro constant (the number of particles, in this example carbon, that are contained in the amount of substance given by one mole).

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