Percent composition by mass of oxygen =
((16.0*6)/(40.1+2*(14.0+16.0*3)))*100%
= 58.5%
therefore, the answer is D
This is going to be a <em>phase </em>change!
All atoms of the same element have the same
number of protons. Every atom also has a nucleus.
D. due to the the water it will bring sand with the water there for us is D.
Answer:
Explanation:
Percent composition by element
Element Symbol # of Atoms
Chlorine Cl 2
Calcium Ca 1
Oxygen O 6
