Answer:
Explanation:
percentage abundance of third isotope = 100 - ( 78.900 + 10.009)
= 11.091 %
Atomic mass
24.1687 x .789 + 25.4830 x .10009 + 24.305 x .11091
19.069 + 2.5506 + 2.69566
= 24.3153 amu
i believe the answer is success of a policy. if this was correct please mark brainliest and lmk if you have any more questions x
Explanation:
solar and energy i had to answer this one before
