In a fractional composition diagram for a generic weak acid , the exact pH at which the fractional curve of intersects the fractional curve of is:

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Question

In a fractional composition diagram for a generic weak acid $HA$, the exact pH at which the fractional curve of $[HA]$ intersects the fractional curve of $[A^-]$ is:

Prashant Kotian · Accepted Answer

Correct answer: B. The intersection point occurs when the fraction of equals the fraction of , meaning . Based on , this simplifies to , or .

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