Consider the following halide and sulphate ores: Carnallite, Epsom salt, Horn silver, and Anglesite. — Metallurgy and Isolation of Elements Chemistry Question
Question
Consider the following halide and sulphate ores: Carnallite, Epsom salt, Horn silver, and Anglesite. What is the sum of the number of water molecules of crystallization present in exactly one formula unit of Carnallite and one formula unit of Epsom salt?
Answer: C
💡 Solution & Explanation
Carnallite is $KCl \cdot MgCl_2 \cdot 6H_2O$ (6 water molecules). Epsom salt is $MgSO_4 \cdot 7H_2O$ (7 water molecules). The sum is $6 + 7 = 13$. Horn silver is $AgCl$ and Anglesite is $PbSO_4$.
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