How Many Moles of Caffeine (C₈H₁₀N₄O₂) Are Present in a 1.250

Multiple Choice

How many moles of caffeine (C₈H₁₀N₄O₂) are present in a 1.250 kg sample ?

A) 6.4 × 10 ^{− 6} moles
B) 0.006 moles
C) 0.008 moles
D) 6.44 moles
E) 8.56 moles