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Percentage of Water in a Hydrate Objective: To determine the percentage of water in crystallized barium chloride, and to figure out the formula of the hydrate. Matierials: Equipment Chemical Reagents -crucible -Barium Chloride Crystals -crucible cover -triangle -scale -burner -tongs -ringstand -iron ring -kim wipes Procedure: 1)Rinse crucible and cover with purified filtered water, then place crucible in triangle on iron ring, above flame, and ignite. Heat crucible for 5-10 minutes, until red hot. 2)Remove crucible from triangle, utilizing tongs (because the crucible is HOT!!!).
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