Answer:
<h2>775.75 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>775.75 moles</h3>
Hope this helps you
Answer:
0.1105 moles per 130 ml
Explanation:
For 1 L (1000) of solution, no of moles are = 0.85
For 1 ml of solution, no of moles are = 0.85/1000 moles
For 130 ml of solution, no of moles are= 0.85/1000 x 130
= 0.1105 moles per 130 ml
I would say the last maybe because my sister just got back from switerland not to long ago