10 atoms in total
4 atoms of H
4 atoms of O
2 atoms of Zn
Hope this helps :)
Answer:
The answer is
<h2>219.5 mL</h2>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula

From the question
mass = 4500 g
density = 20.5 g/cm³
We have

We have the final answer as
<h3>219.51 mL</h3>
Hope this helps you
Lead is heavier and more resistant. Plastic foam is light and can easily be broken
Answer:
D) Adding a catalyst
Explanation:
Adding a catalyst decreases activation energy and allows the reaction to occur more easily.
Answer:The mass numbr is 22
Explanation:
Mass number=number of protons+ number of neutrons....which is 10+12=22