Answer: 8.3 J
Explanation:
We have the following measurement:

Rearranging the units:

Since 1 Newton is
:

Since 1 Joule is
:
This is the simplest form possible
2.25 I believe
Hope this helped!
STSN
The single most important factor influencing potassium ion secretion is its concentration in blood plasma.
<h3>
What is Plasma?</h3>
This is the liquid portion of the blood and serves as the transport medium for nutrients in the body.
When there is a high concentration in the plasma, it maximizes the concentration gradient which favors its secretion into the urinary fluid.
Read more about Plasma here brainly.com/question/2901507