Answer:
20.0332 grams to 20.0 grams
Explanation:
Possibly the amount of electrons and energy levels in which the electrons reside
Empirical formula of caffeine is C₈H₁₀N₄O₂.
In 1 mol of caffeine we have 10 mol of hydrogen.
In 2,8 mol of caffeine we have x mol of hydrogen.
x = 2,8 mol * 10 mol / 1 mol = 28 mol
ANSWER: There are 28 mol of hydrogen.
:-) ;-)
I think by writing electronic configuration.