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Answered

Calculate the number of moles when 3.00l of a gas at 814 mmhg and 25 °c?

Answer :

  • Volume=V=3L
  • Pressure=P=814mmHg
  • Temp=T=25°C

So

No of moles=n

[tex]\\ \rm\rightarrowtail PV=nRT[/tex]

[tex]\\ \rm\rightarrowtail n=\dfrac{PV}{RT}[/tex]

[tex]\\ \rm\rightarrowtail n=\dfrac{814(3)}{25R}[/tex]

[tex]\\ \rm\rightarrowtail n=2442/25R[/tex]

[tex]\\ \rm\rightarrowtail n=97.7Rmol[/tex]

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