The mass of 4.25 liters of N2 gas at STP is 5.31 grams. At STP, one mole of any gas has a volume of 22.4 L. Using this value, the mass of N2 gas is calculated.
What is meant by STP for gas?
- The temperature of 273 K and pressure of 1 atmosphere are known as standard temperature and pressure (STP).
- At STP, one mole of any gas will have a volume of 22.4 L.
- This volume is known as the molar volume of a gas at STP.
How to calculate the mass of the given gas at STP?
Given that the N2 gas has a volume of 4.25 liters.
Then find the mass at STP?
So, for finding mass at STP
1 mole of any gas at STP = 22.4 L of gas
We know that, (the atomic mass for an N atom is 14 grams)
1 mole of N2 gas = 28 grams
⇒ 22.4 L of N2 gas = 28 grams
Then, 4.25 L of N2 gas at STP is calculated as follows:
Required mass = [tex]\frac{4.25}{22.4}[/tex] × 28 grams
= 5.31 grams
Therefore, the mass of 4.25 liters of N2 gas at STP is 5.31 grams.
So, option 4 is correct.
Learn more about STP here:
https://brainly.com/question/26364483
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