A hydrated colorless solid (A) is water solub | vedclass

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(C) The compound $(A)$ is $MgSO_{4} \cdot 7H_{2}O$ (Epsom salt),which is used as a purgative.When treated with ammonium phosphate,it forms a white pre

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$MgSO_{4} \cdot 7H_{2}O$

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(C) The compound $(A)$ is $MgSO_{4} \cdot 7H_{2}O$ (Epsom salt),which is used as a purgative.When treated with ammonium phosphate,it forms a white precipitate of magnesium ammonium phosphate or magnesium phosphate: $MgSO_{4} + (NH_{4})_{3}PO_{4} \rightarrow Mg_{3}(PO_{4})_{2} \downarrow + 3(NH_{4})_{2}SO_{4}$.In the cobalt nitrate test,magnesium salts form a pink-colored residue $(MgO \cdot CoO)$ upon heating.

$A$ hydrated colorless solid $(A)$ is water soluble and finds use in medicine as a purgative. When a solution of $(A)$ is treated with ammonium phosphate,a white precipitate is formed. $(A)$ gives a pink mass in the cobalt nitrate cavity test. What is $(A)$?

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