What is wrong with this chemical equation - N2 + O2 → 2N20,
2 answers:
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The given question is incorrect. The correct question is as follows.
If 20.0 g of and 4.4 g of
are placed in a 5.00 L container at
, what is the pressure of this mixture of gases?
Explanation:
As we know that number of moles equal to the mass of substance divided by its molar mass.
Mathematically, No. of moles =
Hence, we will calculate the moles of oxygen as follows.
No. of moles =
Moles of =
= 0.625 moles
Now, moles of
= 0.1 moles
Therefore, total number of moles present are as follows.
Total moles = moles of + moles of
= 0.625 + 0.1
= 0.725 moles
And, total temperature will be:
T = (21 + 273) K = 294 K
According to ideal gas equation,
PV = nRT
Now, putting the given values into the above formula as follows.
P =
=
= atm
= 3.498 atm
or, = 3.50 atm (approx)
Therefore, we can conclude that the pressure of this mixture of gases is 3.50 atm.
