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3 Written questions

2 Multiple choice questions

  1. The percent of mass of each element in a compound.
  2. The number 6.022 1367 × 10^23, which is the number of representative particles in a mole, and can be rounded to three significant digits: 6.02 × 10^23.

2 True/False questions

  1. molecular formulaA formula that specifies the actual number of atoms of each element in one molecule or formula unit of the substance.


  2. moleA compound that has a specific number of water molecules bound to its atoms.


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