Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation no rxn.
1. MnS(s) with dilute hydrochloric acid
2. NiS(s) with dilute hydrochloric acid
3.CoS(s) in hot nitric acid
4. H2S (aq) and 6M nitric acid
5. Mn(NO3)2 (aq) with dilute sodium hydroxide solution
6. Cr(OH)3 (s) with hydrogen peroxide and a concentrated sodium hydroxide solution
7. Mn^2+ (aq) and sodium bismuthate
8. aqueous lead acetate and K2CrO4 (aq) in slightly basic pH