Monosodium glutamate (MSG), a food-fl avor enhancer, has been blamed for Chinese restaurant syndrome, the symptoms of

Question:

Monosodium glutamate (MSG), a food-fl avor enhancer, has been blamed for "Chinese restaurant syndrome," the symptoms of which are headaches and chest pains. MSG has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent O, 8.29 percent N, and 13.60 percent Na. What is its molecular formula if its molar mass is about 169 g?