![Close-up-of-blue-crystals-of-copper-sulfate-pentahydrate-being-added-to-erlenmeyer-flask-on-magnetic-stirrer](https://videocdn.cdnpk.net/videos/0dca6711-d114-46f6-b716-619f66ca0c58/horizontal/thumbnails/small.jpg)
Close up of blue crystals of copper sulfate pentahydrate being added to erlenmeyer flask on magnetic stirrer
1080p 00:11
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