Problem: The following scene represents three weak acid HA (where A = X, Y, or Z) dissolved in water (H2O is not shown):(e) If equimolar amounts of the sodium salts of the acids (NaX, NaY, and NaZ) were dissolved in water, which solution would have the highest pOH? The lowest pH?

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FREE Expert Solution

The least acidic (based on the number of H3O+) is HX. 

Recall:
pH=-log[H3O+]

pH and pOH are related through this equation:

pH +pOH = 14

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Problem Details

The following scene represents three weak acid HA (where A = X, Y, or Z) dissolved in water (H2O is not shown):

(e) If equimolar amounts of the sodium salts of the acids (NaX, NaY, and NaZ) were dissolved in water, which solution would have the highest pOH? The lowest pH?