Q.At $298 \text{ K}$ , the pH of a $0.1 \text{ M } CH_3COONH_4$ solution (pKa = pKb = 4.74) is:

4.74

7.00

9.26

14.00

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Q.At 298 K298 \text{ K}298 K, the pH of a 0.1 M CH3COONH40.1 \text{ M } CH_3COONH_40.1 M CH3​COONH4​ solution (pKa = pKb = 4.74) is: