If molecular weight of glucose-1-phosphate is 260 and its density is 1.5g $cm^{-3}$ ,what is the average volume occupied by 1 molecule of this compound ?

Question

$\begin{array}{1 1}(a)\;4.3\times 10^{-23}cm^3&(b)\;0.67cm^3\\(c)\;0.17\times 10^{23}cm^3&(d)\;2.88\times 10^{-22}cm^3\end{array}$