Answer
We would also need to know the number of mole per cubic foot.
With this information, we could calculate the price per mole.
Work Step by Step
We would also need to know the number of mole per cubic foot.
With this information, we could calculate the price per mole.
$\frac{price}{1~cubic~foot}\times \frac{1~cubic~foot}{moles} = \frac{price}{mole}$