Solution:
If x is the fraction of , we have
This gives . Hence, percentage is 19%.
Boron occurs in two varieties, namely 10B ( atomic mass: 10.01 amu) and 11B ( atomic mass: 11.01 amu ). The atomic mass of naturally occurring element is reported as 10.82 amu. The percent of 10B is 6this naturally occurring boron is
Boron occurs in two varieties, namely ( atomic mass: ) and ( atomic mass: ). The atomic mass of naturally occurring element is reported as The percent of is 6this naturally occurring boron is
