Question

In: Chemistry

Which combination of reagents from the list will form a precipitate? NaCl                     Ca(NO3)2        &nbs

Which combination of reagents from the list will form a precipitate?

NaCl                     Ca(NO3)2                           KCl                             Na2C2O4           

Mg(NO3)2                   NH4NO3 Na2CO3                              NaH2PO4

Na3PO4                  Na2HPO4                           CaCl2                                   MgCl2                                 

K2HPO4

Solutions

Expert Solution

Mg(NO3)2 (aq) + Na2CO3 (aq) -------------> MgCO3(s) + 2NaNO3(aq)

2Na3PO4 (aq) + 3CaCl2 (aq) --------------> Ca3(PO4)2(s) + 6NaCl(aq)

Ca(NO3)2(aq) + Na2C2O4(aq)--------------> CaC2O4 (s) + 2NaNO3(aq)

CaCl2(aq) + Na2CO3(aq) ---------------> CaCO3(s) + 2NaCl(aq)

Ca(NO3)2 (aq) + 2NaH2PO4(aq) -----------> Ca(H2PO4)2 (s) + 2NaNO3(aq)

Mg(NO3)2 (aq) + Na2C2O4(aq) --------------> MgC2O4(s) + 2NaNO3(aq)

3MgCl2(aq) + 2Na3Po4(aq) ---------------> Mg3(PO4)2 (s) + 6NaCl(aq)

CaCl2(aq) + Na2HPO4(aq) -----------> Ca(HPO4) (s) + 2NaCl(aq)

Mg(NO3)2 + 2NaH2PO4 ----------------> Mg(H2PO4)2 (s) + 2NaNO3(aq)


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