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What is the number of atoms in C2H5OH?

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To determine the number of atoms in a molecule, we need to analyze its chemical formula. In the case of C2H5OH (ethanol), let's break down the formula and count the atoms:

C2H5OH consists of:

  • 2 carbon atoms (C2)
  • 6 hydrogen atoms (H6)
  • 1 oxygen atom (O1)

Adding up these numbers, we find that C2H5OH contains a total of 2 + 6 + 1 = 9 atoms.

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