How would you prepare the following substances by a precipitation reaction? {\ m

Question

How would you prepare the following substances by a precipitation reaction?

{ m Mg}_{3}({ m PO}_{4})_{2}

D. 3{ m MgCl_2}(aq)+ 2{ m K_3PO_4}(aq) ightarrow { m Mg}_{3}({ m PO}_{4})_{2}(s) + 6{ m KCl}(aq)

A. 3{ m Mg}({ m OH})_{2}(s)+ 2{ m H_3PO_4}(aq) ightarrow { m Mg}_{3}({ m PO}_{4})_{2}(s) + 6{ m H_2O}(l) B. 3{ m MgCO_3}(s)+ 2{ m H_3PO_4}(aq) ightarrow { m Mg}_{3}({ m PO}_{4})_{2}(s) + 3{ m H_2O}(l)+3{ m CO_2}(g) C. 3{ m MgCO_3}(s)+ 2{ m K_3PO_4}(aq) ightarrow { m Mg}_{3}({ m PO}_{4})_{2}(s) + 3{ m K_2CO_3}(aq)

D. 3{ m MgCl_2}(aq)+ 2{ m K_3PO_4}(aq) ightarrow { m Mg}_{3}({ m PO}_{4})_{2}(s) + 6{ m KCl}(aq)

Explanation / Answer

D.) 3MgCl2 (aq) + K3(PO4) (aq) -> Mg3(PO4)2 (s) + 6 KCl (aq)

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