Chapter 7, Problem 49E

Balance each chemical equation.

a. ${\text{BaO}}_{\text{2}}\left(s\right)+{\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}\left(aq\right)\to {\text{BaSO}}_{\text{4}}\left(s\right)+{\text{H}}_{\text{2}}{\text{O}}_{\text{2}}\left(aq\right)$

b. $\text{Co}{\left({\text{NO}}_{\text{3}}\right)}_3\left(aq\right)+{\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}\text{S}\left(aq\right)\to {\text{Co}}_{\text{2}}{\text{S}}_{\text{3}}\left(s\right)+{\text{NH}}_4{\text{NO}}_3\left(aq\right)$

c. ${\text{Li}}_{\text{2}}\text{O}\left(s\right)+{\text{H}}_{\text{2}}\text{O}\left(l\right)\to \text{LiOH}\left(aq\right)$

d. ${\text{Hg}}_{\text{2}}{\left({\text{C}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_2\right)}_2\left(aq\right)+\text{KCl}\left(aq\right)\to {\text{Hg}}_{\text{2}}{\text{Cl}}_{\text{2}}\left(s\right)+{\text{KC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\left(aq\right)$