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  • 18-02-2022
  • Chemistry
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How many grams are in 2.61x10^24 molecules of CO2?

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Аноним Аноним
  • 18-02-2022

Molar mass of CO_2

  • 12+2(16)=12+32=44g/mol

[tex]\\ \tt\Rrightarrow No\:of\:moles=\dfrac{No\:of\: molecules}{Avagadro's constant}=\dfrac{2.61\times 10^{24}}{6.022\times 10^{23}}=0.433(10)=4.33mol[/tex]

Now

[tex]\\ \tt\Rrightarrow Mass=No\:of\;moles\times Molar\:mass[/tex]

[tex]\\ \tt\Rrightarrow Mass=4.33(44)=190.52g[/tex]

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