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To calculate the number of moles of gas, we can use the ideal gas law equation:
PV = nRT
Where:
P = Pressure (in atm)
V = Volume (in L)
n = Number of moles
R = Gas constant (0.0821 Latm/molK)
T = Temperature (in K)
Plugging in the given values:
1.2atm * 3.7L = n * 0.0821 Latm/molK * 290K
4.44 = 23.819n
Dividing both sides by 23.819:
n = 4.44 / 23.819
n ≈ 0.186 moles
Therefore, the number of moles of gas present in the container is approximately 0.186 moles.
So, the correct answer is b. 0.186 moles.