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Introduction to Formula Mass

This guide explores the formula mass of sodium oxide (Na2O) and its components. Sodium oxide consists of two sodium (Na) and one oxygen (O) atom. We will discuss the elements present in Na2O, the mass numbers for Na and O, and how to calculate the formula mass of multiple sodium oxide units (2Na2O). Additionally, we will briefly compare sodium oxide with sodium nitrate (NaNO3) and calcium nitrate (Ca(NO3)2), highlighting their compositions and formula masses.

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Introduction to Formula Mass

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Presentation Transcript

  1. Introduction to Formula Mass

  2. Na2O Sodium oxide

  3. Na2O How many different elements are shown in this formula? 2

  4. Na2O What are the different elements shown in this formula? Na O

  5. Na2O How many Na are shown in this formula? 2

  6. Na2O How many Oare shown in this formula? 1

  7. Na2O What is the mass number for Na? 23

  8. Na2O What is the mass number for O? 16

  9. Na2O

  10. 2Na2O What is the formula mass of 2Na2O?

  11. 2Na2O

  12. NaNO3 Sodium nitrate

  13. NaNO3

  14. 3NaNO3

  15. Ca(NO3)2 Calcium nitrate

  16. Ca(NO3)2 NO3 Ca NO3

  17. Ca(NO3)2

  18. 3Ca(NO3)2

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