Calculate PH and p o h of 10^-8 M HCL solution

1.	Calculate PH and p o h of 10^-8 M HCL solution
Answer» Explanation: [H+] = 10‐⁸ M As we can SEE, The concentration of H+ is very low. Hence, It is a very DILUTE solution. So, we have to consider Concentration of H+ from H2O also. [H+] of water = 10‐⁷ M Total [H+] = (10‐⁸ + 10‐⁷ ) M ~ 10‐⁷ (APPROX.) pH = -log[H+] = 7 (approx.) pOH = 14 - pH = 14 - 7 = 7 (approx.)

Answer»

Explanation:

[H+] = 10‐⁸ M

As we can SEE,

The concentration of H+ is very low.

Hence, It is a very DILUTE solution.

So, we have to consider Concentration of H+ from H2O also.

[H+] of water = 10‐⁷ M

Total [H+] = (10‐⁸ + 10‐⁷ ) M ~ 10‐⁷ (APPROX.)

pH = -log[H+] = 7 (approx.)

pOH = 14 - pH = 14 - 7 = 7 (approx.)

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