NH3 and H2O and HF are all polar molecules
Answer:
<h2>1.23 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>1.23 moles</h3>
Hope this helps you
Answer:
we count the number of the molecules on each side of the equation.
The answer is B. In the same direction as the force. Hope this helps :)