A sample of C3H8O that contains 200. molecules contains ________ carbon atoms.
2 answers
Go back and read the response I made to the Ba(OH)2 problem and you'll have this one worked. If I have C3H8O, I know there are 3 C atoms per molecule of C3H80; therefore, if I have 200 molecules of C3H80, I must have 600 atoms of C, 1600 atoms of H and 200 atoms of oxygen.
600