Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits.

$311\mathrm{.}4g30\mathrm{.}9mL=pro{d}_{\frac{g}{mL}}^{\frac{g}{mL}}$

$934\mathrm{.}7g0\mathrm{.}70mL=\frac{\text{m}\text{o}\text{l}}{L}2\mathrm{.}3L=$mol