A 22.4-L sample of which of the following substance, at STP, would contain 6.02 x 10^23 representative particles?
A. Gold
B. Sodium chloride
C. sulfur
D. carbon dioxide

Respuesta :

It would have to be carbon dioxide, the only gas listed. For gases, 1 mole of particles occupies 22.4 L of volume at STP.