Answer:
The reaction is exothermic.
Explanation:
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

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>0.075 moles</h3>
Hope this helps you
Answer:
0.43
Explanation:
divide the given mass by molar mass from the periodic table