What is the pH of a solution that contains hydroxide ions at a concentration of 6.3 x 10-4 M ?Question 13Select one:a.3.23.2b.6.36.3c.1.61.6d.10.8
Question
What is the pH of a solution that contains hydroxide ions at a concentration of 6.3 x 10-4 M ?Question 13Select one:a.3.23.2b.6.36.3c.1.61.6d.10.8
Solution
To find the pH of a solution, we first need to find the pOH, since we are given the concentration of hydroxide ions (OH-). The pOH is found using the formula:
pOH = -log[OH-]
Substituting the given concentration into the formula:
pOH = -log(6.3 x 10^-4)
This gives a pOH of approximately 3.2.
The pH and pOH of a solution are related by the equation:
pH + pOH = 14
So, to find the pH, we subtract the pOH from 14:
pH = 14 - pOH pH = 14 - 3.2 pH = 10.8
So, the pH of the solution is approximately 10.8. Therefore, the correct answer is d. 10.8.
Similar Questions
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