Answer:
<h2>13.82 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>13.82 moles</h3>
Hope this helps you
Density = mass/volume
D = 40/80 = 0.5g
D= 0.5g
All organisms need four types of organic molecules: nucleic acids, proteins, carbohydrates and lipids; life cannot exist if any of these molecules are missing.
Answer:
Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy.