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Suppose you have 22.4 $\mathrm{L}$ of the following gases at STP: neon, Ne, argon, Ar, andxenon, Xe.a. How many atoms are there in each gas sample?b. What is the number density of atoms, $n / V,$ for each sample?c. Which sample has the largest mass? Explain your reasoning.d. Which sample has the largest mass density, $m / V ?$

a. a. All the gases occupy 22.41 , which means that all gases have 1 mole of atoms that is $6.023 \times 10^{\wedge} 23$ atoms.b. b. All the gases occupy 22.4 $\mathrm{L}$ , which means that all gases have 1 mole of atoms that is $6.023 \times 10^{\wedge} 23$ atoms, and $n$ is 1c. click for the answerd. click for the answer

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Concentrating Matter

Section 2

The Mole and Avogadro’s Law

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question Number three introduces you to the concept of Moeller volume, where any gas at STP standard temperature and pressure has a volume of 22.4 leaders. If we have one mole, so 22.4 leaders of any gas at STP is one mole. So if we have 22.4 leaders of any of those three gasses at STP, we have one mole which equals 6.22 times 10 to 23rd gas particles. The number density then could be determined as in units of moles per leader. We have one mole for 22.4 leaders or 6.22 times 10 to the 23rd particles per 22.4 leaders. The mole density is 4.46 times 10 to the negative two moles per leader, while the particle or number density would be 2.69 times 10 to the 22 particles per leader. To determine which one has the largest mass, we need to know which gas Adam's way the most. We can determine this by looking at the periodic table and seeing what are called the Moller masses on the periodic table. We see that Zenon has a greater Moeller Mass. So if we have one mole of Zen on, we have 131.3 g. So Zen on is going. The xenon gas is going to have the greatest mass because xenon gas has the greatest math. It's also going to have the greatest or largest density because density is simply mass divided by volume, and the volume for all of them is 22.4 leaders. So which everyone has a greater mass? Xenon will also have the greater density.

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