Three samples are compared to determine which contains the greatest number of particles
CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance
Problem
Three samples are compared to determine which contains the greatest number of particles.
• 18 g of H₂O(l)
• 44 g of CO₂(g)
• 23 g of Na(s)
Four students offer rankings (from fewest to greatest particles):
(a) B
(b) C
(c) A
(d) D