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Flame Tests: Identifying Ions and Their Corresponding Compounds, Exercises of Chemistry

Mindanao State University (MSU)Chemistry

The formulae of various compounds and the colors of their corresponding flame tests. The activity involves identifying the ions present in unknown samples based on their flame colors.

Typology: Exercises

2020/2021

Uploaded on 11/24/2021

faicaxx
faicaxx 🇵🇭

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Activity No. 9
FLAME TESTS
Name: PANGCATAN, Faica Ramina Score:
DATA AND RESULTS
Write the formula of the following compounds:
1. Sodium Chloride - NaCl
2. potassium chloride - KCl
3. lithium chloride - LiCl
4. barium chloride - BaCl2
5. copper(II) chloride - CuCl2
6. calcium chloride - CaCl2
7. strontium chloride - SrCl2
8. hydrochloric acid - HCl
pf2

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Activity No. 9 FLAME TESTS Name : PANGCATAN , Faica Ramina Score : DATA AND RESULTS Write the formula of the following compounds:

  1. Sodium Chloride - NaCl
  2. potassium chloride - KCl
  3. lithium chloride - LiCl
  4. barium chloride - BaCl 2
  5. copper(II) chloride - CuCl 2
  6. calcium chloride - CaCl 2
  7. strontium chloride - SrCl 2
  8. hydrochloric acid - HCl

Table 1. Color imparted by the following ions. Ion Color of Flame Lithium Bright Pink Sodium Bright Yellow Calcium Red orange Barium Yellow green Copper (II) Bright blue green Unknown Sample a. flame color through the naked eye – at first, it is colored as orange yellow then it suddenly changes through just color yellow. b. ion present - I believe the first unknown salt contains calcium and sodium due to its orange and yellow color, whereas the second unknown salt contains sodium due to its yellow flame color.