i hope it help you a lot tell it is correct or not
Answer:
No, iron is not
Explanation:
An element is a mixture of two isotopes. One isotope has an atomic mass of 34.969 amu and an abundance of 64.88%. The other isotope has an atomic mass 36.966 amu.
yes
the answer is 360 g H2O with a 90.3 yeild percentage
