`I have some aliens in my basement who have developed a chemical weapon in an attempt to escape. I was able to survive the first attack and capture a sample of the dangerous gas. I analyzed it to find that it had a molar mass of 648.52 grams, and its empirical formula is C5H11N2O2P. What is its molecular formula?
A C10H22N4O4P2
B C5H11N2O2P
C C20H44N8O8P4
D CH2.2N0.4O0.4P0.2
E cannot be determined from the information given