How to calculate PH 1.9 =0.0126M
I do not still understand. I want you step by step to calculate for me.
Thank you.
I do these this way.
pH = -log(H^+)
1.9 = -log(H^+)
-1.9 = log(H^+).
Now enter -1.9 on your calculator and hit the 10x key. The answer of 0.01259 will appear.
This is just math. You may have seen it this way.
(H^+)= 10-1.9
Enter 10, then yx key, then -1.9, press = and the answer of 0.01259 will appear.
the answer is rounded off to 4 significant digits.
To calculate the pH of a solution, you need to use the equation:
pH = -log[H+]
Where [H+] represents the concentration of hydrogen ions (protons) in the solution. In this case, you have a concentration of 0.0126 M for [H+]. Now, let's calculate the pH step by step:
Step 1: Take the negative logarithm of the concentration.
-log(0.0126)
Step 2: Calculate the logarithm value using a calculator or computation tool.
The negative logarithm of 0.0126 is approximately 1.90008.
Step 3: Round off the value to the desired decimal places.
Rounding off to two decimal places, we have pH = 1.90.
Therefore, the pH of a solution with a concentration of 0.0126 M is approximately 1.90.