The atomic weight of two isotopes of boron are 10.01 and 11.01 . If the atomic weight of natural boron is 10.81, what is the percentage of heavier isotope of boron in nature?

The atomic weight of two isotopes of boron are 10.01 and 11.01 . If th

1.	The atomic weight of two isotopes of boron are 10.01 and 11.01 . If the atomic weight of natural boron is 10.81, what is the percentage of heavier isotope of boron in nature?
Answer» ANSWER :0.8