Answer :
Final answer:
The pH of the lithium hydroxide solution is 12.36.
Explanation:
The pH of a solution is a measure of its acidity or alkalinity. It is determined by the concentration of hydrogen ions (H+) in the solution. In this case, we have a 2.0 M solution of lithium hydroxide (LiOH), which is a strong base.
When a strong base like LiOH dissolves in water, it releases hydroxide ions (OH-) into the solution. The concentration of hydroxide ions in a solution determines its pH. A pH value below 7 indicates acidity, while a pH value above 7 indicates alkalinity.
Since lithium hydroxide is a strong base, it completely dissociates in water, meaning that all of the LiOH molecules break apart into lithium ions (Li+) and hydroxide ions (OH-). Therefore, the concentration of hydroxide ions in a 2.0 M solution of LiOH is also 2.0 M.
The pH meter reading of 12.36 indicates that the solution is highly alkaline. A pH value of 12.36 is significantly above 7, indicating a strong alkalinity.
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