hellowo hellowo

18-11-2022
Chemistry

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URGENT!!! An unknown hydrate of CoCl₂ has been evaporated in a crucible. Given the following data, find the formula and name of the hydrate.
Mass of crucible: 12.090 g
Mass of hydrate before evaporation and crucible: 16.250 g
Mass of hydrate after evaporation and crucible: 12.424 g

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