What is the pH of a 0.1 M NaOH solution?

What is the pH of a 0.1 M NaOH solution?

Step 1: Identify the concentration of the NaOH solution, which is 0.1 M. NaOH is a strong base and completely dissociates in water.
Step 2: Determine the concentration of hydroxide ions (OH-) in the solution. Since NaOH dissociates completely, [OH-] = 0.1 M.
Step 3: Calculate the pOH using the formula pOH = -log[OH-]. Substitute [OH-] with 0.1: pOH = -log(0.1).
Step 4: Calculate -log(0.1). This equals 1, so pOH = 1.
Step 5: Use the relationship between pH and pOH: pH + pOH = 14.
Step 6: Substitute pOH into the equation: pH = 14 - pOH = 14 - 1.
Step 7: Calculate pH: pH = 13.

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