Chapter 7, Problem 7SAQ

Which set of reactants forms a solid precipitate when mixed?

a. ${\text{NaNO}}_3\left(aq\right)\text{and KCl}\left(aq\right)$

b. $\text{KOH}\left(aq\right){\text{and Na}}_{\text{2}}{\text{CO}}_{\text{3}}\left(aq\right)$

c. ${\text{CuCl}}_{\text{2}}\left(aq\right){\text{and NaC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}\left(aq\right)$

d. ${\text{Na}}_{\text{2}}{\text{CO}}_3\left(aq\right){\text{and CaCl}}_{\text{2}}\left(aq\right)$