Mol & Atoms & Molecules

• Calculate molar mass of a compound.

  Add up the molar mass of each element in the compound. Find the molar mass of:

  • H₂O
  • C₂H₄O₂

• Convert to/from mass of an element/compound to mols of the element/compound.

  • Find the number of mols contained in 8.05 g of methane gas (CH₄).
  • Find the mass of 0.32 mols of C₂H₄O₂.

• Convert to/from mols of element/compound to number of atoms/molecules.
• Calculate the atom percent composition of a compound.
• Calculate the mass percent composition of a compound.

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