# Question #67163

Aug 1, 2017

Salt water: ${H}_{2} O$ and $N a C l$, liquid
Air: ${N}_{2}$, ${O}_{2}$, $C {O}_{2}$, and other gases, gas
5% ethanol: ${H}_{2} O$ and $C {H}_{3} C {H}_{2} O H$, liquid
Brass: $C u$ and $Z n$, solid
Bronze: $C u$ and $S n$, solid
$C u C {l}_{2}$ solution: ${H}_{2} O$ and $C u C {l}_{2}$, liquid
Carbonated water: $C {O}_{2}$ and ${H}_{2} O$, liquid
Cast iron: $F e$ and $C$, solid
Packaging gas: ${N}_{2}$, $A r$, $C {O}_{2}$, gas
$K I$ solution: ${H}_{2} O$ and $K I$, liquid