What salts does calcium form with sulfide dianion, and with hydrogen sulfide anion?

1 Answer
Oct 18, 2016

Answer:

#CaS#, #"calcium sulfide........."#

Explanation:

#Ca(HS)_2#, #"calcium hydrogen sulfide........."#

Calcium forms a #Ca^(2+)# ion, and thus requires 2 negative charges to form a neutral salt. The salts of #H_2S# could be sulfides, #S^(2-)#, or hydrogen sulfides, #HS^(-)#.