1. Add 1ml of 0.1M copper 2 sulfate solution into a test tube. Add drops of 2M ammonia solution until a light blue precipitate of cuoh2 forms.

Question

1. Add 1ml of 0.1M copper 2 sulfate solution into a test tube. Add drops of 2M ammonia solution until a light blue precipitate of cuoh2 forms.
2. Add more drops of ammonia until a solution cantaining the complex ion Cu(NH3)4] 2+ forms. 
Write an equation for this reaction

GPT 3.5 · Answer

Cu2+ + 4NH3 → [Cu(NH3)4]2+