Magnesium sulfate is an inorganic salt with the formula MgSO (H O) where 0 ≤ x ≤ 7. It is often encountered as the heptahydrate sulfate mineral epsomite (MgSO 7H O), commonly called Epsom salt. The overall global annual usage in the mid-1970s of the monohydrate was 2.3 million tons, of which the majority was used in agriculture.\n\nAnswer this question: what is the chemical formula of epsom salt? Let's think fast. Stream of consciousness:
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This is the relevant information: It is often encountered as the heptahydrate sulfate mineral epsomite (MgSO 7H O), commonly called Epsom salt. So the final answer is MgSO 7H O.
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