Wym? Idk how to use this app will you help me? Is it possible orrrrrrr
Answer:
<h2>5.49</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%28%5B%20%7B%20H_3O%7D%5E%7B%2B%7D%5D%29)
H3O+ is the hydronium ion
From the question we have
We have the final answer as
<h3>5.49 </h3>
Hope this helps you
The time take for the train to travel 950 Km is 7.92 h
<h3>What is speed? </h3>
Speed is the distance travelled per unit. Mathematically, it can be expressed as:
Speed = distance / time
With the above formula, we can determine the time. Details below:
<h3>How to determine the time</h3>
The time taken for the train t travel 950 Km can be obtained as follow:
- Speed = 120 Km/h
- Distance = 950 Km
- Time =?
Speed = distance / time
120= 950 / time
Cross multiply
120 × time = 950
Divide both side by 120
Time = 950 / 120
Time = 7.92 h
Learn more about speed:
brainly.com/question/680492
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Answer:
A
Explanation:
because if you bond postitive and positive they would repell
