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Pls solve this question in the attached image of gaseous state.

Pls solve this question in the attached image of gaseous state.

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Grade:12

1 Answers

Naveen Kumar
askIITians Faculty 60 Points
9 years ago
Here let the volume of the flask=V
Apply ideal gas equation, PV=nRT for initial condition.
760mm of Hg=1atm,R=0.082Litre-atm K-1(mol)-1
and calculate moles of NH3 and HCl in the flasks in terms of V.
Now according to the reaction, the product would be solid and not contribute in the calculation of pressure.
We can also see that the moles of rteactant combining is in 1:1 ratio.
So calculate the moles left of one reactant which is in excess.
Here NH3 is in excess and some amount of it would remain after the reaction completed and it would be finally in both the flasks with the solid product NH4Cl.
Now again apply ideal gas equation for both the flasks and calculate the moles of NH3 in both the flask.

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