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Cerrena [4.2K]
3 years ago
6

PLEASE HELP! STAT! When aqueous solutions of cadmium chloride and sodium sulfide are mixed, a precipitate of cadmium sulfide for

ms, leaving soluble sodium chloride in
the solution. Include states in your answer.

Write the molecular equation for the reaction.


Write the ionic equation for the reaction.

write the net ionic equation for the reaction. ​

Chemistry
2 answers:
Marina86 [1]3 years ago
8 0

The equations are given down bellow in the picture.

aivan3 [116]3 years ago
6 0

Explanation:

Hi, when mixing cadmium chloride (CdCl2) and sodium sulfide (Na2S) the cadmium displaces the sodium from the salt making an insoluble salt that precipitates, named cadmium sulfide (CdS).

1) The global molecular equation for this reaction is:

    CdCl2 (aq) + Na2S (aq) → CdS (s) + 2 NaCl (aq)  

2) The ionic hemireactions are:

  Na+(aq) + Cl-(aq) → NaCl (aq)

  Cd+2(aq) + S-2(aq) → CdS (s)

3) The net ionic equation is:

  2 Na+(aq) + 2 Cl-(aq) + Cd+2(aq) + S-2(aq) → NaCl (aq) + CdS (s)

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