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Course: High school chemistry > Unit 4

Lesson 1: Moles and molar mass
Science
High school chemistry
Stoichiometry and the mole
Moles and molar mass
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Understand: moles and molar mass

Google Classroom

Problem

Named after the Greek for “food of the gods,” theobromine is a chemical found in chocolate. A molecule with a formula of CA7HA8NA4OA2, theobromine is similar to caffeine, and is not easily metabolized by dogs or cats.
A chocolate bar being dipped in melted chocolate
Keep away from pets!
Complete the statement.
Enter your answer as a whole number.
One mole of theobromine molecules contains
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
moles of carbon atoms.