The answer would be B) 10,000 DM is equal to 1 kilometer.
Answer:
<h2>127.57 moles</h2>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have

We have the final answer as
<h3>127.57 moles</h3>
Hope this helps you
I am only in 6th grade so all I have to say is good luck and I wish you the best on that quiz.
Answer:
Hydration
Explanation:
In water, ions are surrounded by a sphere of water molecules called a hydration shell. The process of forming this shell is called hydration.