Consider a gas at STP in a container of 22.4 L. What is the approximate value of n according to the ideal gas law?
Question 8 options:
0.5
1
8.31
224
According to the ideal gas law, PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.
At STP (standard temperature and pressure), the pressure is 1 atm and the temperature is 273 K.
Given that the volume is 22.4 L, we can substitute the values into the ideal gas law equation:
1 atm * 22.4 L = n * 0.0821 L * atm/mol * K * 273 K
Simplifying the equation:
22.4 L = n * 22.46 L * atm / mol
To find the value of n, we divide both sides of the equation by 22.46 L * atm/mol:
n = 22.4 L / 22.46 L * atm/mol
n ≈ 0.997
Therefore, the approximate value of n is 1.