P \( \left(\mathrm{pK}_{\mathrm{a}}\right. \) of \( \left.\mathrm{N...

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P \( \left(\mathrm{pK}_{\mathrm{a}}\right. \) of \( \left.\mathrm{NH}_{4}^{+}=9.26\right) \) is

W
(1) \( 9.26+\log 2 \)
(2) \( 9.26-\log 2 \)
(3) \( 4.74+\log 2 \)
(4) 9.26
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