A. How religion and philosophy different
All the other choices (b-d) can be explained by science while a can be explain by history I think
by putting to much current through it ?
The required empirical formula of the silicon oxide is SiO2.
Answer:
4.852*10^23
Explanation:
Use dimensional analysis.
First turn grams to moles using the molar mass of Fe (you can't convert to atoms from grams).
Then turn moles into atoms using Avogadro's constant.
45g Fe/55.85 g/mol Fe*6.022*10^23 atoms Fe