Question Detail
Question
If ¹²C has a relative abundance of 98.89% and ¹³C has 1.11%, what is the average atomic mass of carbon?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Average atomic mass = (98.89/100 × 12.00) + (1.11/100 × 13.00) = 11.8668 + 0.1443 = 12.01.
Hint
The notes provide this exact calculation.