Answer:
<h2>0.44 </h2>
Explanation:
The pH of a solution can be found by using the formula
![pH = - log [ { H_3O}^{+}]](https://tex.z-dn.net/?f=pH%20%3D%20-%20log%20%5B%20%7B%20H_3O%7D%5E%7B%2B%7D%5D)
From the question we have

We have the final answer as
<h3>0.44</h3>
Hope this helps you
The correct statements are b, c, and e.
A hypothesis is defined as a tentative or proposed explanation for the occurrence of any phenomenon.
It is usually based on a very less number of pieces of evidence and provides the first step for further classification.
The hypothesis must be testable so that it can be accepted or rejected on the basis of scientific methods.
Thus, the correct statements are b, c, and e.
Cardiovascular and respiratory is probably the correct answer
Answer:
2 4He
Explanation:
Please see attachment for explanation.