Morphine is used medicinally as a pain reliever. If an aqueous solution of morphine has [H3O+] = 1.1 × 10−10 M, what is the pH of this solution?
Question
Morphine is used medicinally as a pain reliever. If an aqueous solution of morphine has [H3O+] = 1.1 × 10−10 M, what is the pH of this solution?
Solution
The pH of a solution is calculated using the formula:
pH = -log[H3O+]
where [H3O+] is the concentration of hydronium ions in the solution.
Given that [H3O+] = 1.1 × 10−10 M, we can substitute this value into the formula:
pH = -log(1.1 × 10−10)
To calculate the log of a number, you can use a scientific calculator.
The result is approximately 9.96.
So, the pH of the morphine solution is approximately 9.96.
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