Find the p H of a 0.341 M N a A solution. The salt completely dissociates into N aplus and Aminus. N a is the cation of a strong base so it will not affect the p H of the solution. Aminus is the anion of the weak acid H A. The K a of H A is 2.6E-5.   If the 5% rule is valid you may apply it.

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Find the p H of a 0.341 M N a A solution. The salt completely dissociates into N aplus and Aminus. N a is the cation of a strong base so it will not affect the p H of the solution. Aminus is the anion of the weak acid H A. The K a of H A is 2.6E-5.  

If the 5% rule is valid you may apply it.

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