# What type of water is least dense?

${\rho}_{{H}_{2} O \left(s\right)} = \text{0.9167 g/mL}$ at ${0}^{\circ} \text{C}$ and $\text{1 atm}$
${\rho}_{{H}_{2} O \left(l\right)} = \text{0.9970749 g/mL}$ at ${25}^{\circ} \text{C}$ and $\text{1 atm}$
${\rho}_{{H}_{2} O \left(g\right)} = \text{0.0005883 g/mL}$ at ${100}^{\circ} \text{C}$ and $\text{1 atm}$