A laboratory bottle contains 0.250 lb of pure caffeine, C H N O
CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A laboratory bottle contains 0.250 lb of pure caffeine, C8H10N4O2. Determine how many caffeine molecules are present in the bottle.
(1 lb = 453.6 g; molar mass of caffeine = 194.19 g mol−1.)