Other questions in this quiz

2. The molar mass/gmol-1 of hydrated sodium carbonate, Na2CO3.10H2O is

  • 142.0
  • 232.0
  • 286.0
  • 124.0

3. Calculate the atom economy for this reaction

  • 84.2%
  • 72.7%

4. The formula of a carbonate ion is

  • HCO3-
  • HCO3^2-
  • CO3^2-
  • CO3-

5. Define the term empirical formula

  • The formula of how many atoms of an element are present
  • The simplest form of the composition of elements in a compound
  • The simplest whole number ratio of atoms of each element present in a compound
  • The formula telling you exactly how many elements are there


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