kch27 kch27
  • 20-01-2022
  • Chemistry
contestada

Number of moles in 31.99g O2
And 176.8g NaCl

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Аноним Аноним
  • 20-01-2022

#O_2

[tex]\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}[/tex]

[tex]\\ \sf\longmapsto No\:of\:moles=\dfrac{31.99}{32}[/tex]

[tex]\\ \sf\longmapsto No\:of\:moles\approx 1[/tex]

#NaCl

[tex]\\ \sf\longmapsto No\:of\:moles=\dfrac{176.8}{58.5}[/tex]

[tex]\\ \sf\longmapsto No\;of\:moles=3mol[/tex]

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