use the references to access important values if needed for this question.\nwhen an aqueous solution of…

use the references to access important values if needed for this question.\nwhen an aqueous solution of calcium chloride, cacl₂, is added to an aqueous solution of sodium sulfide, na₂s, a precipitate of calcium sulfide, cas, forms. write a balanced net ionic equation for this reaction.\nbe sure to specify states such as (aq) or (s). if a box is not needed leave it blank.\nsubmit answer retry entire group 9 more group attempts remaining

use the references to access important values if needed for this question.\nwhen an aqueous solution of calcium chloride, cacl₂, is added to an aqueous solution of sodium sulfide, na₂s, a precipitate of calcium sulfide, cas, forms. write a balanced net ionic equation for this reaction.\nbe sure to specify states such as (aq) or (s). if a box is not needed leave it blank.\nsubmit answer retry entire group 9 more group attempts remaining

Answer

Explanation:

Step1: Write the molecular equation

$$\ce{CaCl_{2}(aq) + Na_{2}S(aq) -> CaS(s) + 2NaCl(aq)}$$

Step2: Write the total ionic equation

$$\ce{Ca^{2 + }(aq)+2Cl^{-}(aq) + 2Na^{+}(aq)+S^{2 - }(aq)->CaS(s)+2Na^{+}(aq)+2Cl^{-}(aq)}$$

Step3: Cancel the spectator ions ((\ce{Na^{+}}) and (\ce{Cl^{-}}))

$$\ce{Ca^{2 + }(aq)+S^{2 - }(aq)->CaS(s)}$$

Answer:

(\ce{Ca^{2 + }(aq)+S^{2 - }(aq)->CaS(s)})