Answer:
<h3>The answer is 0.075 moles</h3>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula
![n = \frac{N}{L} \\](https://tex.z-dn.net/?f=n%20%3D%20%20%5Cfrac%7BN%7D%7BL%7D%20%20%5C%5C%20)
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
![n = \frac{4.5 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.074750830...](https://tex.z-dn.net/?f=n%20%3D%20%20%5Cfrac%7B4.5%20%5Ctimes%20%20%7B10%7D%5E%7B22%7D%20%7D%7B6.02%20%5Ctimes%20%20%7B10%7D%5E%7B23%7D%20%7D%20%20%5C%5C%20%20%3D%200.074750830...)
We have the final answer as
<h3>0.075 moles</h3>
Hope this helps you
Answer:
since there is a decimal point at the end, they are all significant figures so the answer is 5
Correct answer is <span>Fuels do not have to be purchased to generate power.</span>