Based on properties of weak acid/base ions, on the lines to the left of each let

Question

Based on properties of weak acid/base ions, on the lines to the left of each lettered salt solution identify the type of hydrolysis, acidic (A) or basic (B), that each salt undergoes. On the line on the right identify the weak acid or base ion that causes the predicted type of hydrolysis. Calculate the pH of a buffer made by mixing 50.0 mL of 0.10 M acetic acid (HC_2H_3O_2) with 50.0 mL of 0.10 M sodium acetate (NaC_2H_3O_2). The K_a for acetic acid is 1.8 times 10^-5. Use the Henderson-Hasselbalch equation: pH = pK_a + log([base]/[acid])

Explanation / Answer

1. Soidum acetate is salt of strong base and weak acid, so it will go undergo base hydrolysis with weak acid.
2. Sodium carbonate is salt of strong base and weak acid, so it will go undergo base hydrolysis with weak acid.
3. Sodium sulfate is salt of strong base and strong acid.
4. Sodium hydrogen crabonate is salt of strong base and weak acid, so it will go undergo base hydrolysis with weak acid.
5. Ammonium chloride is salt of weak base and stong acid, so it will go undergo aicd hydrolysis with weak base.
6. Aluminium choride is lewis acid.

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