Answer:
Explanation:
The relative atomic mass of an element is a weighted average of the masses of the atoms of the isotopes - because if there is much more of one isotope then that will influence the average mass much more than the less abundant isotope will.
D is the only choice here that is appropriate given neutrons' lack of charge
Answer:
Número de moles de cloro en número de moles de NaCl
Explanation:
espero que si sea la correcta
The answer is definitely not 70.923