Chemistry Lab Manual®

Wash and dry an evaporating dish then heat it in the hottest part of the flame for about one minute. Use tongs/or mitten to handle dish. First allow dish it to cool thoroughly. Mass the evaporating dish. 2. Obtain a sample of unknown hydrate. Be sure to record the number on the vial. Mass about 2 grams of the hydrate into an evaporating dish. ................
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