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Question
When 1.800 grams of anhydrous magnesium chloride were exposed to moist air, water was absorbed by the sample. If the resulting hydrated compound has a mass of 2.481 grams, what is the chemical formula of the hydrate?
A) MgCl2. H2O
B) MgCl2 . 2H2O
C) MgCl2 . 3H2O
D) MgCl2 . 4H2O
Answer
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