Question
Chemistry Question on Mole concept and Molar Masses
Ail organic compound has 42.1% carbon, 6.4% hydrogen and remainder is oxygen. If its molecular weight is 342, then its molecular formula is :
A
C11H18O12
B
C12H20O12
C
C14H20O10
D
C12H22O11
Answer
C12H22O11
Explanation
Solution
Only C12H22O11 has 42.1% carbon, 6.4% hydrogen, and 51.5% oxygen.
Thus the correct answer is Option 4.