$4B$

$21.$ Calculate the mass of silver chloride precipitated if $22\mathrm{.}5mL$ of $0\mathrm{.}570MAgN{O}_3$ is needed to precipitate all chloride ions as silver chloride?

$AgN{O}_{3(aq)}+NaC{l}_{(aq)}AgC{l}_{(s)}+NaN{O}_{3(aq)}$

a$)2\mathrm{.}41g$

b$)1\mathrm{.}84g$

c$)0\mathrm{.}0257g$

d$)2\mathrm{.}64g$

e$)4\mathrm{.}36g$

$22.$ The formal charges in the molecule

a$)0$ on $Cl,-1$ on $N,$ and $+1$ on $C.$

b$)+1$ on $Cl,-1$ on $N,$ and $+1$ on $C.$

c$)+1$ on $Cl,-1$ on $N,$ and $0$ on $C.$

d$)-1$ on $Cl,0$ on $N,$ and $+1$ on $C.$

Cl$.0$ on $N,$ and $0$ on $O.$