Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

ry Bookmarks Develop Window Help saplinglearning.com ersity-CHEM 244-Spring16. C

ID: 954328 • Letter: R

Question

ry Bookmarks Develop Window Help saplinglearning.com ersity-CHEM 244-Spring16. CASTILLO > Activities and Due Dates Extra Credit Assignment (IR, 1H NMR and , o 5/4/2016 11:55 PM 18/203/19/2016 05:33 PM Print Calculator Periodic Tabie Question 3 of 10 The mass spectrum of an organic compound shows the relative abundances of M to be 27 97% and M +1 to be 3.328%, Assuming the peaks are caused by 12C and t Csotopes determine the number of carbon atoms in the compound. Natural abundances "c is 98.93% and gCs 1.07% Number 9.9 carbon atoms There is a hint available! View the hint on the bottom divider bar. Click on the

Explanation / Answer

Number of carbon atoms

= M/M+1

= 27.97/ 3.328

= 8.4

= 8

Therefore,

no of carbon atoms = 8