Which of the following samples will have the greatest volume at STP? A)22 g CO B)22 g He C)22 g O₂ D)22 g Cl₂ E)All of these samples would have the same volume at STP.

Question

Quizplus · Accepted Answer

According to Avogadro's Law, equal volumes of gases at the same temperature and pressure contain the same number of particles. Since He has the smallest atomic mass among the options given, it contains the largest number of particles in 22 g. Therefore, it will have the greatest volume at STP.

Which of the Following Samples Will Have the Greatest Volume