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direction:determine the percentage composition of each element in the following compounds. 1.)NaCI 2.) H²O 3.) CH⁴ 4.) NH³ 5.)CaF²​

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Element Compound

  • Determine the Percentage composition of each element in the following compounds.

Answer:

  1. NaCl or Sodium Chloride is 39% sodium by mass.
  2. Thus the percent composition of water, by mass, is 11.19% hydrogen and 88.81% oxygen.
  3. The percent composition by mass is 74.86% carbon and 25.13% hydrogen.
  4. The mass of NH3 is 17.75% hydrogen and 82.24% nitrogen.
  5. The mass of CaF2 is 51.33% Calcium and 48.66% Fluorine.

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