Read p. 411-413 and make notes.
Here's a video I made showing you flame tests.
Homework:
Review Questions, p. 414 # 9, 10, 13
Answers:
9. A chemist can determine an unknown substance in a solution by using qualitative analysis.
10. Li ion will produce a red flame during a flame test.
13. left to right
→ chromium (II) or copper (II), iron (III), chromate, cobalt (II) or manganese (II), chromium (II) or copper (II)
🠊 when there is only one possibility based on colour, confidence is high (ex. chromate is the only yellow)
🠊 when there is more than one possibility based on colour, confidence is lower (ex. both chromium (II) and copper (II) are blue)
